diff --git a/Ch11-surv-lab.ipynb b/Ch11-surv-lab.ipynb
index 1b792ab..a8a6182 100644
--- a/Ch11-surv-lab.ipynb
+++ b/Ch11-surv-lab.ipynb
@@ -32,10 +32,10 @@
    "id": "91ac40fd",
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-     "shell.execute_reply": "2023-07-26T19:30:27.205421Z"
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+     "shell.execute_reply": "2023-07-31T02:15:38.043019Z"
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    "outputs": [],
@@ -62,10 +62,10 @@
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@@ -95,10 +95,10 @@
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    "outputs": [
@@ -133,10 +133,10 @@
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    "outputs": [
@@ -163,10 +163,10 @@
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-     "shell.execute_reply": "2023-07-26T19:30:27.313121Z"
+     "iopub.execute_input": "2023-07-31T02:15:38.151583Z",
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    "outputs": [
@@ -195,10 +195,10 @@
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-     "shell.execute_reply": "2023-07-26T19:30:27.317610Z"
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    "outputs": [
@@ -250,10 +250,10 @@
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    "outputs": [
@@ -316,10 +316,10 @@
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    "outputs": [
@@ -361,10 +361,10 @@
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    "outputs": [
@@ -473,10 +473,10 @@
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    "outputs": [
@@ -566,10 +566,10 @@
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    "outputs": [
@@ -672,10 +672,10 @@
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    "outputs": [
@@ -820,10 +820,10 @@
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@@ -853,10 +853,10 @@
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    "outputs": [
@@ -981,10 +981,10 @@
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    "outputs": [
@@ -1123,10 +1123,10 @@
    "id": "f89fbed7",
    "metadata": {
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    "outputs": [
@@ -1283,10 +1283,10 @@
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    "outputs": [
@@ -1325,10 +1325,10 @@
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@@ -1370,10 +1370,10 @@
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@@ -1458,10 +1458,10 @@
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+     "iopub.execute_input": "2023-07-31T02:15:39.033405Z",
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@@ -1602,10 +1602,10 @@
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+     "iopub.execute_input": "2023-07-31T02:15:39.073478Z",
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@@ -1640,10 +1640,10 @@
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@@ -1672,10 +1672,10 @@
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    "outputs": [
@@ -1784,10 +1784,10 @@
    "id": "8b921536",
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+     "iopub.execute_input": "2023-07-31T02:15:39.092615Z",
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+     "shell.execute_reply": "2023-07-31T02:15:39.101990Z"
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@@ -1831,10 +1831,10 @@
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-     "shell.execute_reply": "2023-07-26T19:30:28.137672Z"
+     "iopub.execute_input": "2023-07-31T02:15:39.107799Z",
+     "iopub.status.busy": "2023-07-31T02:15:39.107513Z",
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+     "shell.execute_reply": "2023-07-31T02:15:39.110837Z"
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@@ -1861,10 +1861,10 @@
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-     "shell.execute_reply": "2023-07-26T19:30:28.331511Z"
+     "iopub.execute_input": "2023-07-31T02:15:39.116637Z",
+     "iopub.status.busy": "2023-07-31T02:15:39.116086Z",
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+     "shell.execute_reply": "2023-07-31T02:15:39.293868Z"
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@@ -1890,10 +1890,10 @@
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-     "shell.execute_reply": "2023-07-26T19:30:28.347537Z"
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+     "iopub.status.busy": "2023-07-31T02:15:39.311513Z",
+     "iopub.status.idle": "2023-07-31T02:15:39.327004Z",
+     "shell.execute_reply": "2023-07-31T02:15:39.326346Z"
     }
    },
    "outputs": [
@@ -1997,10 +1997,10 @@
    "id": "c3a2bec7",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:28.352144Z",
-     "iopub.status.busy": "2023-07-26T19:30:28.351650Z",
-     "iopub.status.idle": "2023-07-26T19:30:28.358415Z",
-     "shell.execute_reply": "2023-07-26T19:30:28.357683Z"
+     "iopub.execute_input": "2023-07-31T02:15:39.330721Z",
+     "iopub.status.busy": "2023-07-31T02:15:39.330474Z",
+     "iopub.status.idle": "2023-07-31T02:15:39.363217Z",
+     "shell.execute_reply": "2023-07-31T02:15:39.362899Z"
     }
    },
    "outputs": [
@@ -2033,10 +2033,10 @@
    "id": "2b27af56",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:28.361989Z",
-     "iopub.status.busy": "2023-07-26T19:30:28.361496Z",
-     "iopub.status.idle": "2023-07-26T19:30:28.527528Z",
-     "shell.execute_reply": "2023-07-26T19:30:28.527187Z"
+     "iopub.execute_input": "2023-07-31T02:15:39.364912Z",
+     "iopub.status.busy": "2023-07-31T02:15:39.364808Z",
+     "iopub.status.idle": "2023-07-31T02:15:39.567228Z",
+     "shell.execute_reply": "2023-07-31T02:15:39.566838Z"
     }
    },
    "outputs": [
@@ -2085,10 +2085,10 @@
    "id": "9625598d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:28.529240Z",
-     "iopub.status.busy": "2023-07-26T19:30:28.529144Z",
-     "iopub.status.idle": "2023-07-26T19:30:28.726030Z",
-     "shell.execute_reply": "2023-07-26T19:30:28.725744Z"
+     "iopub.execute_input": "2023-07-31T02:15:39.569040Z",
+     "iopub.status.busy": "2023-07-31T02:15:39.568920Z",
+     "iopub.status.idle": "2023-07-31T02:15:39.823091Z",
+     "shell.execute_reply": "2023-07-31T02:15:39.822627Z"
     }
    },
    "outputs": [
@@ -2141,10 +2141,10 @@
    "id": "75a744ef",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:28.727718Z",
-     "iopub.status.busy": "2023-07-26T19:30:28.727608Z",
-     "iopub.status.idle": "2023-07-26T19:30:28.745292Z",
-     "shell.execute_reply": "2023-07-26T19:30:28.744982Z"
+     "iopub.execute_input": "2023-07-31T02:15:39.825758Z",
+     "iopub.status.busy": "2023-07-31T02:15:39.825581Z",
+     "iopub.status.idle": "2023-07-31T02:15:39.847974Z",
+     "shell.execute_reply": "2023-07-31T02:15:39.847624Z"
     }
    },
    "outputs": [
@@ -2247,10 +2247,10 @@
    "id": "9badb3e3",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:28.746932Z",
-     "iopub.status.busy": "2023-07-26T19:30:28.746812Z",
-     "iopub.status.idle": "2023-07-26T19:30:28.764031Z",
-     "shell.execute_reply": "2023-07-26T19:30:28.763730Z"
+     "iopub.execute_input": "2023-07-31T02:15:39.850725Z",
+     "iopub.status.busy": "2023-07-31T02:15:39.850538Z",
+     "iopub.status.idle": "2023-07-31T02:15:39.873327Z",
+     "shell.execute_reply": "2023-07-31T02:15:39.873038Z"
     }
    },
    "outputs": [
@@ -2356,10 +2356,10 @@
    "id": "026e9ff8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:28.765683Z",
-     "iopub.status.busy": "2023-07-26T19:30:28.765567Z",
-     "iopub.status.idle": "2023-07-26T19:30:28.888155Z",
-     "shell.execute_reply": "2023-07-26T19:30:28.887853Z"
+     "iopub.execute_input": "2023-07-31T02:15:39.875394Z",
+     "iopub.status.busy": "2023-07-31T02:15:39.875265Z",
+     "iopub.status.idle": "2023-07-31T02:15:40.004667Z",
+     "shell.execute_reply": "2023-07-31T02:15:40.004293Z"
     }
    },
    "outputs": [
@@ -2460,10 +2460,10 @@
    "id": "7cab3789",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:28.889732Z",
-     "iopub.status.busy": "2023-07-26T19:30:28.889626Z",
-     "iopub.status.idle": "2023-07-26T19:30:29.012622Z",
-     "shell.execute_reply": "2023-07-26T19:30:29.012324Z"
+     "iopub.execute_input": "2023-07-31T02:15:40.006886Z",
+     "iopub.status.busy": "2023-07-31T02:15:40.006736Z",
+     "iopub.status.idle": "2023-07-31T02:15:40.134843Z",
+     "shell.execute_reply": "2023-07-31T02:15:40.134522Z"
     }
    },
    "outputs": [
@@ -2567,10 +2567,10 @@
    "id": "5cc4b898",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:29.014300Z",
-     "iopub.status.busy": "2023-07-26T19:30:29.014186Z",
-     "iopub.status.idle": "2023-07-26T19:30:29.163409Z",
-     "shell.execute_reply": "2023-07-26T19:30:29.160684Z"
+     "iopub.execute_input": "2023-07-31T02:15:40.136769Z",
+     "iopub.status.busy": "2023-07-31T02:15:40.136659Z",
+     "iopub.status.idle": "2023-07-31T02:15:40.462485Z",
+     "shell.execute_reply": "2023-07-31T02:15:40.457034Z"
     }
    },
    "outputs": [
diff --git a/Ch12-unsup-lab.ipynb b/Ch12-unsup-lab.ipynb
index 5e45811..b0f01b8 100644
--- a/Ch12-unsup-lab.ipynb
+++ b/Ch12-unsup-lab.ipynb
@@ -21,10 +21,10 @@
    "id": "24559be0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:30.397560Z",
-     "iopub.status.busy": "2023-07-26T19:30:30.397461Z",
-     "iopub.status.idle": "2023-07-26T19:30:31.427761Z",
-     "shell.execute_reply": "2023-07-26T19:30:31.427247Z"
+     "iopub.execute_input": "2023-07-31T02:15:41.879970Z",
+     "iopub.status.busy": "2023-07-31T02:15:41.879508Z",
+     "iopub.status.idle": "2023-07-31T02:15:42.856920Z",
+     "shell.execute_reply": "2023-07-31T02:15:42.856210Z"
     }
    },
    "outputs": [],
@@ -53,10 +53,10 @@
    "id": "06fff57d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:31.430129Z",
-     "iopub.status.busy": "2023-07-26T19:30:31.429802Z",
-     "iopub.status.idle": "2023-07-26T19:30:32.657326Z",
-     "shell.execute_reply": "2023-07-26T19:30:32.657026Z"
+     "iopub.execute_input": "2023-07-31T02:15:42.859595Z",
+     "iopub.status.busy": "2023-07-31T02:15:42.859101Z",
+     "iopub.status.idle": "2023-07-31T02:15:43.112055Z",
+     "shell.execute_reply": "2023-07-31T02:15:43.111717Z"
     }
    },
    "outputs": [],
@@ -90,10 +90,10 @@
    "id": "f425e07e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:32.659129Z",
-     "iopub.status.busy": "2023-07-26T19:30:32.659013Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.336349Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.336069Z"
+     "iopub.execute_input": "2023-07-31T02:15:43.113880Z",
+     "iopub.status.busy": "2023-07-31T02:15:43.113757Z",
+     "iopub.status.idle": "2023-07-31T02:15:44.064565Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.064071Z"
     }
    },
    "outputs": [
@@ -557,10 +557,10 @@
    "id": "b127d014",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.337956Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.337851Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.340085Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.339853Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.067474Z",
+     "iopub.status.busy": "2023-07-31T02:15:44.067264Z",
+     "iopub.status.idle": "2023-07-31T02:15:44.071359Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.070795Z"
     }
    },
    "outputs": [
@@ -593,10 +593,10 @@
    "id": "c7343f72",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.341585Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.341485Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.344182Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.343905Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.073723Z",
+     "iopub.status.busy": "2023-07-31T02:15:44.073531Z",
+     "iopub.status.idle": "2023-07-31T02:15:44.079018Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.078591Z"
     }
    },
    "outputs": [
@@ -635,10 +635,10 @@
    "id": "34501140",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.345660Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.345555Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.348085Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.347836Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.081447Z",
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+     "iopub.status.idle": "2023-07-31T02:15:44.085505Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.085102Z"
     }
    },
    "outputs": [
@@ -689,10 +689,10 @@
    "id": "daf119e8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.349511Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.349412Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.352394Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.352150Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.088730Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.093712Z"
     }
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    "outputs": [],
@@ -718,10 +718,10 @@
    "id": "a0eda7c9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.353785Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.353683Z",
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-     "shell.execute_reply": "2023-07-26T19:30:33.355099Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.096171Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.097717Z"
     }
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    "outputs": [],
@@ -746,10 +746,10 @@
    "id": "1430fb3c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.356817Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.356721Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.360978Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.360719Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.099875Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.105615Z"
     }
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    "outputs": [
@@ -787,10 +787,10 @@
    "id": "6131d8d1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.362368Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.362292Z",
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-     "shell.execute_reply": "2023-07-26T19:30:33.364225Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.108075Z",
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+     "iopub.status.idle": "2023-07-31T02:15:44.111407Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.110881Z"
     }
    },
    "outputs": [
@@ -824,10 +824,10 @@
    "id": "08246aad",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.365873Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.365798Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.367607Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.367362Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.114037Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.115821Z"
     }
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    "outputs": [],
@@ -852,10 +852,10 @@
    "id": "b682b632",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.368982Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.368908Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.371017Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.370774Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.119132Z",
+     "iopub.status.busy": "2023-07-31T02:15:44.118910Z",
+     "iopub.status.idle": "2023-07-31T02:15:44.121993Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.121638Z"
     }
    },
    "outputs": [
@@ -895,10 +895,10 @@
    "id": "c165e990",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.372421Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.372348Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.549941Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.549061Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.124021Z",
+     "iopub.status.busy": "2023-07-31T02:15:44.123902Z",
+     "iopub.status.idle": "2023-07-31T02:15:44.326760Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.325973Z"
     }
    },
    "outputs": [
@@ -944,10 +944,10 @@
    "id": "848c9f35",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.555869Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.555474Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.721362Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.721044Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.331474Z",
+     "iopub.status.busy": "2023-07-31T02:15:44.331142Z",
+     "iopub.status.idle": "2023-07-31T02:15:44.477006Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.476667Z"
     }
    },
    "outputs": [
@@ -991,10 +991,10 @@
    "id": "34fdfe21",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.723071Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.722963Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.725587Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.725242Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.478797Z",
+     "iopub.status.busy": "2023-07-31T02:15:44.478681Z",
+     "iopub.status.idle": "2023-07-31T02:15:44.481387Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.481086Z"
     }
    },
    "outputs": [
@@ -1028,10 +1028,10 @@
    "id": "31b43c57",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.727152Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.727025Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.729277Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.728999Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.482964Z",
+     "iopub.status.busy": "2023-07-31T02:15:44.482858Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.484860Z"
     }
    },
    "outputs": [
@@ -1065,10 +1065,10 @@
    "id": "68e47d3a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.730782Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.730677Z",
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-     "shell.execute_reply": "2023-07-26T19:30:33.732671Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.486657Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.488560Z"
     }
    },
    "outputs": [
@@ -1105,10 +1105,10 @@
    "id": "e87fe198",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.734468Z",
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-     "shell.execute_reply": "2023-07-26T19:30:33.863078Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.490567Z",
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+     "iopub.status.idle": "2023-07-31T02:15:44.624499Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.624178Z"
     }
    },
    "outputs": [],
@@ -1140,10 +1140,10 @@
    "id": "409fb0c6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.865434Z",
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-     "shell.execute_reply": "2023-07-26T19:30:33.969166Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.626407Z",
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+     "iopub.status.idle": "2023-07-31T02:15:44.730749Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.730399Z"
     }
    },
    "outputs": [
@@ -1187,10 +1187,10 @@
    "id": "e563e41b",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.971250Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.971143Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.973649Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.973332Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.732589Z",
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+     "iopub.status.idle": "2023-07-31T02:15:44.735051Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.734749Z"
     }
    },
    "outputs": [
@@ -1235,10 +1235,10 @@
    "id": "f83ad0bc",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.975247Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.975135Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.977744Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.977458Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.736580Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.738830Z"
     }
    },
    "outputs": [
@@ -1275,10 +1275,10 @@
    "id": "cb9bdc46",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.979234Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.979142Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.981348Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.981099Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.740634Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.742562Z"
     }
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    "outputs": [
@@ -1306,10 +1306,10 @@
    "id": "f23c101e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.982741Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.982632Z",
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-     "shell.execute_reply": "2023-07-26T19:30:33.984538Z"
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+     "shell.execute_reply": "2023-07-31T02:15:44.746068Z"
     }
    },
    "outputs": [
@@ -1345,10 +1345,10 @@
    "id": "4cc49622",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.986227Z",
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-     "shell.execute_reply": "2023-07-26T19:30:33.988065Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.747796Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.749842Z"
     }
    },
    "outputs": [
@@ -1375,10 +1375,10 @@
    "id": "c96c9fe1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.989702Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.989597Z",
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-     "shell.execute_reply": "2023-07-26T19:30:33.991447Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.751617Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.753419Z"
     }
    },
    "outputs": [
@@ -1419,10 +1419,10 @@
    "id": "574409d6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.993218Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.993112Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.995440Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.995155Z"
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+     "shell.execute_reply": "2023-07-31T02:15:44.757198Z"
     }
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    "outputs": [],
@@ -1459,10 +1459,10 @@
    "id": "89f190ae",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:33.996982Z",
-     "iopub.status.busy": "2023-07-26T19:30:33.996879Z",
-     "iopub.status.idle": "2023-07-26T19:30:33.998962Z",
-     "shell.execute_reply": "2023-07-26T19:30:33.998692Z"
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+     "shell.execute_reply": "2023-07-31T02:15:44.760397Z"
     }
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    "outputs": [],
@@ -1491,10 +1491,10 @@
    "id": "322f339c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.000373Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.000273Z",
-     "iopub.status.idle": "2023-07-26T19:30:34.002201Z",
-     "shell.execute_reply": "2023-07-26T19:30:34.001944Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.762072Z",
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+     "iopub.status.idle": "2023-07-31T02:15:44.763830Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.763614Z"
     }
    },
    "outputs": [],
@@ -1519,10 +1519,10 @@
    "id": "7e106d1a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.003661Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.003556Z",
-     "iopub.status.idle": "2023-07-26T19:30:34.005555Z",
-     "shell.execute_reply": "2023-07-26T19:30:34.005295Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.765257Z",
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+     "iopub.status.idle": "2023-07-31T02:15:44.767082Z",
+     "shell.execute_reply": "2023-07-31T02:15:44.766829Z"
     }
    },
    "outputs": [],
@@ -1558,10 +1558,10 @@
    "id": "7cb05ce4",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.007097Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.006994Z",
-     "iopub.status.idle": "2023-07-26T19:30:34.010195Z",
-     "shell.execute_reply": "2023-07-26T19:30:34.009940Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.768575Z",
+     "iopub.status.busy": "2023-07-31T02:15:44.768471Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.771537Z"
     }
    },
    "outputs": [
@@ -1613,10 +1613,10 @@
    "id": "6f245188",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.011740Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.011655Z",
-     "iopub.status.idle": "2023-07-26T19:30:34.014111Z",
-     "shell.execute_reply": "2023-07-26T19:30:34.013837Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.773365Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.775546Z"
     }
    },
    "outputs": [
@@ -1670,10 +1670,10 @@
    "id": "345fb41e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.015675Z",
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-     "shell.execute_reply": "2023-07-26T19:30:34.017398Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.777389Z",
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+     "shell.execute_reply": "2023-07-31T02:15:44.779045Z"
     }
    },
    "outputs": [],
@@ -1698,10 +1698,10 @@
    "id": "3a8c21a2",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.019202Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.019129Z",
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-     "shell.execute_reply": "2023-07-26T19:30:34.331585Z"
+     "iopub.execute_input": "2023-07-31T02:15:44.780749Z",
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+     "iopub.status.idle": "2023-07-31T02:15:45.109432Z",
+     "shell.execute_reply": "2023-07-31T02:15:45.108830Z"
     }
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    "outputs": [],
@@ -1725,10 +1725,10 @@
    "id": "e3e35b5d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.334497Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.334360Z",
-     "iopub.status.idle": "2023-07-26T19:30:34.337491Z",
-     "shell.execute_reply": "2023-07-26T19:30:34.337143Z"
+     "iopub.execute_input": "2023-07-31T02:15:45.111736Z",
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+     "shell.execute_reply": "2023-07-31T02:15:45.114566Z"
     }
    },
    "outputs": [
@@ -1766,10 +1766,10 @@
    "id": "d928650a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.339433Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.339327Z",
-     "iopub.status.idle": "2023-07-26T19:30:34.448148Z",
-     "shell.execute_reply": "2023-07-26T19:30:34.447830Z"
+     "iopub.execute_input": "2023-07-31T02:15:45.116690Z",
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+     "shell.execute_reply": "2023-07-31T02:15:45.227523Z"
     }
    },
    "outputs": [
@@ -1813,10 +1813,10 @@
    "id": "92e5175c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.450210Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.450084Z",
-     "iopub.status.idle": "2023-07-26T19:30:34.561806Z",
-     "shell.execute_reply": "2023-07-26T19:30:34.561471Z"
+     "iopub.execute_input": "2023-07-31T02:15:45.230054Z",
+     "iopub.status.busy": "2023-07-31T02:15:45.229932Z",
+     "iopub.status.idle": "2023-07-31T02:15:45.343327Z",
+     "shell.execute_reply": "2023-07-31T02:15:45.342951Z"
     }
    },
    "outputs": [
@@ -1861,10 +1861,10 @@
    "id": "4911ecc7",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.563762Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.563654Z",
-     "iopub.status.idle": "2023-07-26T19:30:34.576434Z",
-     "shell.execute_reply": "2023-07-26T19:30:34.576080Z"
+     "iopub.execute_input": "2023-07-31T02:15:45.345458Z",
+     "iopub.status.busy": "2023-07-31T02:15:45.345341Z",
+     "iopub.status.idle": "2023-07-31T02:15:45.358652Z",
+     "shell.execute_reply": "2023-07-31T02:15:45.358313Z"
     }
    },
    "outputs": [
@@ -1933,10 +1933,10 @@
    "id": "1b42a700",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.578301Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.578191Z",
-     "iopub.status.idle": "2023-07-26T19:30:34.583704Z",
-     "shell.execute_reply": "2023-07-26T19:30:34.583419Z"
+     "iopub.execute_input": "2023-07-31T02:15:45.360651Z",
+     "iopub.status.busy": "2023-07-31T02:15:45.360541Z",
+     "iopub.status.idle": "2023-07-31T02:15:45.366056Z",
+     "shell.execute_reply": "2023-07-31T02:15:45.365739Z"
     }
    },
    "outputs": [
@@ -1980,10 +1980,10 @@
    "id": "50ef7eea",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.585516Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.585409Z",
-     "iopub.status.idle": "2023-07-26T19:30:34.588390Z",
-     "shell.execute_reply": "2023-07-26T19:30:34.588091Z"
+     "iopub.execute_input": "2023-07-31T02:15:45.367837Z",
+     "iopub.status.busy": "2023-07-31T02:15:45.367733Z",
+     "iopub.status.idle": "2023-07-31T02:15:45.371125Z",
+     "shell.execute_reply": "2023-07-31T02:15:45.370797Z"
     }
    },
    "outputs": [],
@@ -2013,10 +2013,10 @@
    "id": "bf7a2408",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.590120Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.590008Z",
-     "iopub.status.idle": "2023-07-26T19:30:34.594741Z",
-     "shell.execute_reply": "2023-07-26T19:30:34.594449Z"
+     "iopub.execute_input": "2023-07-31T02:15:45.372859Z",
+     "iopub.status.busy": "2023-07-31T02:15:45.372770Z",
+     "iopub.status.idle": "2023-07-31T02:15:45.377578Z",
+     "shell.execute_reply": "2023-07-31T02:15:45.377273Z"
     }
    },
    "outputs": [
@@ -2073,10 +2073,10 @@
    "id": "a118c0ab",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.596509Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.596402Z",
-     "iopub.status.idle": "2023-07-26T19:30:34.821096Z",
-     "shell.execute_reply": "2023-07-26T19:30:34.820763Z"
+     "iopub.execute_input": "2023-07-31T02:15:45.379309Z",
+     "iopub.status.busy": "2023-07-31T02:15:45.379196Z",
+     "iopub.status.idle": "2023-07-31T02:15:45.604526Z",
+     "shell.execute_reply": "2023-07-31T02:15:45.604141Z"
     }
    },
    "outputs": [
@@ -2118,10 +2118,10 @@
    "id": "b1ff41c0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:34.822795Z",
-     "iopub.status.busy": "2023-07-26T19:30:34.822686Z",
-     "iopub.status.idle": "2023-07-26T19:30:35.046746Z",
-     "shell.execute_reply": "2023-07-26T19:30:35.046456Z"
+     "iopub.execute_input": "2023-07-31T02:15:45.606279Z",
+     "iopub.status.busy": "2023-07-31T02:15:45.606155Z",
+     "iopub.status.idle": "2023-07-31T02:15:45.829720Z",
+     "shell.execute_reply": "2023-07-31T02:15:45.829414Z"
     }
    },
    "outputs": [
@@ -2160,10 +2160,10 @@
    "id": "c2752a96",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:35.048471Z",
-     "iopub.status.busy": "2023-07-26T19:30:35.048346Z",
-     "iopub.status.idle": "2023-07-26T19:30:35.051861Z",
-     "shell.execute_reply": "2023-07-26T19:30:35.051581Z"
+     "iopub.execute_input": "2023-07-31T02:15:45.831473Z",
+     "iopub.status.busy": "2023-07-31T02:15:45.831358Z",
+     "iopub.status.idle": "2023-07-31T02:15:45.835095Z",
+     "shell.execute_reply": "2023-07-31T02:15:45.834802Z"
     }
    },
    "outputs": [
@@ -2202,10 +2202,10 @@
    "id": "1407f7a4",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:35.053497Z",
-     "iopub.status.busy": "2023-07-26T19:30:35.053410Z",
-     "iopub.status.idle": "2023-07-26T19:30:35.056899Z",
-     "shell.execute_reply": "2023-07-26T19:30:35.056632Z"
+     "iopub.execute_input": "2023-07-31T02:15:45.836612Z",
+     "iopub.status.busy": "2023-07-31T02:15:45.836515Z",
+     "iopub.status.idle": "2023-07-31T02:15:45.839886Z",
+     "shell.execute_reply": "2023-07-31T02:15:45.839587Z"
     }
    },
    "outputs": [
@@ -2288,10 +2288,10 @@
    "id": "2d74f224",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:35.058528Z",
-     "iopub.status.busy": "2023-07-26T19:30:35.058413Z",
-     "iopub.status.idle": "2023-07-26T19:30:35.293973Z",
-     "shell.execute_reply": "2023-07-26T19:30:35.293682Z"
+     "iopub.execute_input": "2023-07-31T02:15:45.841445Z",
+     "iopub.status.busy": "2023-07-31T02:15:45.841337Z",
+     "iopub.status.idle": "2023-07-31T02:15:46.086770Z",
+     "shell.execute_reply": "2023-07-31T02:15:46.086434Z"
     }
    },
    "outputs": [
@@ -2343,10 +2343,10 @@
    "id": "b7f7da12",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:35.295662Z",
-     "iopub.status.busy": "2023-07-26T19:30:35.295546Z",
-     "iopub.status.idle": "2023-07-26T19:30:35.475780Z",
-     "shell.execute_reply": "2023-07-26T19:30:35.475471Z"
+     "iopub.execute_input": "2023-07-31T02:15:46.088532Z",
+     "iopub.status.busy": "2023-07-31T02:15:46.088413Z",
+     "iopub.status.idle": "2023-07-31T02:15:46.277686Z",
+     "shell.execute_reply": "2023-07-31T02:15:46.277383Z"
     }
    },
    "outputs": [
@@ -2394,10 +2394,10 @@
    "id": "b94424fc",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:35.477384Z",
-     "iopub.status.busy": "2023-07-26T19:30:35.477277Z",
-     "iopub.status.idle": "2023-07-26T19:30:35.483374Z",
-     "shell.execute_reply": "2023-07-26T19:30:35.483097Z"
+     "iopub.execute_input": "2023-07-31T02:15:46.279360Z",
+     "iopub.status.busy": "2023-07-31T02:15:46.279231Z",
+     "iopub.status.idle": "2023-07-31T02:15:46.285520Z",
+     "shell.execute_reply": "2023-07-31T02:15:46.285244Z"
     }
    },
    "outputs": [],
@@ -2427,10 +2427,10 @@
    "id": "cea54566",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:35.485015Z",
-     "iopub.status.busy": "2023-07-26T19:30:35.484926Z",
-     "iopub.status.idle": "2023-07-26T19:30:35.487365Z",
-     "shell.execute_reply": "2023-07-26T19:30:35.487014Z"
+     "iopub.execute_input": "2023-07-31T02:15:46.287328Z",
+     "iopub.status.busy": "2023-07-31T02:15:46.287220Z",
+     "iopub.status.idle": "2023-07-31T02:15:46.289574Z",
+     "shell.execute_reply": "2023-07-31T02:15:46.289308Z"
     }
    },
    "outputs": [
@@ -2463,10 +2463,10 @@
    "id": "4dac41bb",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:35.488952Z",
-     "iopub.status.busy": "2023-07-26T19:30:35.488850Z",
-     "iopub.status.idle": "2023-07-26T19:30:35.492808Z",
-     "shell.execute_reply": "2023-07-26T19:30:35.492520Z"
+     "iopub.execute_input": "2023-07-31T02:15:46.291057Z",
+     "iopub.status.busy": "2023-07-31T02:15:46.290960Z",
+     "iopub.status.idle": "2023-07-31T02:15:46.294539Z",
+     "shell.execute_reply": "2023-07-31T02:15:46.294249Z"
     }
    },
    "outputs": [
@@ -2518,10 +2518,10 @@
    "id": "d8ebadd6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:35.494320Z",
-     "iopub.status.busy": "2023-07-26T19:30:35.494231Z",
-     "iopub.status.idle": "2023-07-26T19:30:35.693502Z",
-     "shell.execute_reply": "2023-07-26T19:30:35.692601Z"
+     "iopub.execute_input": "2023-07-31T02:15:46.295958Z",
+     "iopub.status.busy": "2023-07-31T02:15:46.295878Z",
+     "iopub.status.idle": "2023-07-31T02:15:46.461104Z",
+     "shell.execute_reply": "2023-07-31T02:15:46.459544Z"
     }
    },
    "outputs": [],
@@ -2550,10 +2550,10 @@
    "id": "63b5efe3",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:35.701630Z",
-     "iopub.status.busy": "2023-07-26T19:30:35.701157Z",
-     "iopub.status.idle": "2023-07-26T19:30:35.917928Z",
-     "shell.execute_reply": "2023-07-26T19:30:35.917230Z"
+     "iopub.execute_input": "2023-07-31T02:15:46.465546Z",
+     "iopub.status.busy": "2023-07-31T02:15:46.465129Z",
+     "iopub.status.idle": "2023-07-31T02:15:46.678203Z",
+     "shell.execute_reply": "2023-07-31T02:15:46.677232Z"
     }
    },
    "outputs": [
@@ -2616,10 +2616,10 @@
    "id": "e20c3cc1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:35.923780Z",
-     "iopub.status.busy": "2023-07-26T19:30:35.923226Z",
-     "iopub.status.idle": "2023-07-26T19:30:36.085072Z",
-     "shell.execute_reply": "2023-07-26T19:30:36.084763Z"
+     "iopub.execute_input": "2023-07-31T02:15:46.684464Z",
+     "iopub.status.busy": "2023-07-31T02:15:46.683187Z",
+     "iopub.status.idle": "2023-07-31T02:15:46.840162Z",
+     "shell.execute_reply": "2023-07-31T02:15:46.839815Z"
     }
    },
    "outputs": [
@@ -2688,10 +2688,10 @@
    "id": "622de805",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:36.086757Z",
-     "iopub.status.busy": "2023-07-26T19:30:36.086641Z",
-     "iopub.status.idle": "2023-07-26T19:30:36.088991Z",
-     "shell.execute_reply": "2023-07-26T19:30:36.088712Z"
+     "iopub.execute_input": "2023-07-31T02:15:46.841987Z",
+     "iopub.status.busy": "2023-07-31T02:15:46.841869Z",
+     "iopub.status.idle": "2023-07-31T02:15:46.844428Z",
+     "shell.execute_reply": "2023-07-31T02:15:46.844159Z"
     }
    },
    "outputs": [],
@@ -2726,10 +2726,10 @@
    "id": "54d40449",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:36.090487Z",
-     "iopub.status.busy": "2023-07-26T19:30:36.090390Z",
-     "iopub.status.idle": "2023-07-26T19:30:37.387883Z",
-     "shell.execute_reply": "2023-07-26T19:30:37.387596Z"
+     "iopub.execute_input": "2023-07-31T02:15:46.845994Z",
+     "iopub.status.busy": "2023-07-31T02:15:46.845893Z",
+     "iopub.status.idle": "2023-07-31T02:15:48.160927Z",
+     "shell.execute_reply": "2023-07-31T02:15:48.160624Z"
     }
    },
    "outputs": [
@@ -2778,10 +2778,10 @@
    "id": "dc80afc8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:37.389840Z",
-     "iopub.status.busy": "2023-07-26T19:30:37.389731Z",
-     "iopub.status.idle": "2023-07-26T19:30:37.399764Z",
-     "shell.execute_reply": "2023-07-26T19:30:37.399508Z"
+     "iopub.execute_input": "2023-07-31T02:15:48.162702Z",
+     "iopub.status.busy": "2023-07-31T02:15:48.162595Z",
+     "iopub.status.idle": "2023-07-31T02:15:48.173866Z",
+     "shell.execute_reply": "2023-07-31T02:15:48.173467Z"
     }
    },
    "outputs": [
@@ -2971,10 +2971,10 @@
    "id": "40ff59f9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:37.401281Z",
-     "iopub.status.busy": "2023-07-26T19:30:37.401178Z",
-     "iopub.status.idle": "2023-07-26T19:30:37.802871Z",
-     "shell.execute_reply": "2023-07-26T19:30:37.802572Z"
+     "iopub.execute_input": "2023-07-31T02:15:48.175506Z",
+     "iopub.status.busy": "2023-07-31T02:15:48.175383Z",
+     "iopub.status.idle": "2023-07-31T02:15:48.588803Z",
+     "shell.execute_reply": "2023-07-31T02:15:48.588494Z"
     }
    },
    "outputs": [
@@ -3020,10 +3020,10 @@
    "id": "1587e83b",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:37.804622Z",
-     "iopub.status.busy": "2023-07-26T19:30:37.804518Z",
-     "iopub.status.idle": "2023-07-26T19:30:38.480316Z",
-     "shell.execute_reply": "2023-07-26T19:30:38.409430Z"
+     "iopub.execute_input": "2023-07-31T02:15:48.590478Z",
+     "iopub.status.busy": "2023-07-31T02:15:48.590373Z",
+     "iopub.status.idle": "2023-07-31T02:15:48.959939Z",
+     "shell.execute_reply": "2023-07-31T02:15:48.959090Z"
     }
    },
    "outputs": [
@@ -3145,10 +3145,10 @@
    "id": "b09ceeab",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:38.528901Z",
-     "iopub.status.busy": "2023-07-26T19:30:38.528743Z",
-     "iopub.status.idle": "2023-07-26T19:30:38.969519Z",
-     "shell.execute_reply": "2023-07-26T19:30:38.969239Z"
+     "iopub.execute_input": "2023-07-31T02:15:48.964377Z",
+     "iopub.status.busy": "2023-07-31T02:15:48.963942Z",
+     "iopub.status.idle": "2023-07-31T02:15:49.459064Z",
+     "shell.execute_reply": "2023-07-31T02:15:49.458783Z"
     }
    },
    "outputs": [
diff --git a/Ch13-multiple-lab.ipynb b/Ch13-multiple-lab.ipynb
index 05a9cc5..709bfaa 100644
--- a/Ch13-multiple-lab.ipynb
+++ b/Ch13-multiple-lab.ipynb
@@ -24,10 +24,10 @@
    "id": "1f928b2d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:40.174249Z",
-     "iopub.status.busy": "2023-07-26T19:30:40.174147Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.295542Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.294997Z"
+     "iopub.execute_input": "2023-07-31T02:15:50.715151Z",
+     "iopub.status.busy": "2023-07-31T02:15:50.714766Z",
+     "iopub.status.idle": "2023-07-31T02:15:51.778071Z",
+     "shell.execute_reply": "2023-07-31T02:15:51.777549Z"
     }
    },
    "outputs": [],
@@ -54,10 +54,10 @@
    "id": "eb4b32aa",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.298057Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.297544Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.300143Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.299888Z"
+     "iopub.execute_input": "2023-07-31T02:15:51.780386Z",
+     "iopub.status.busy": "2023-07-31T02:15:51.780091Z",
+     "iopub.status.idle": "2023-07-31T02:15:51.782579Z",
+     "shell.execute_reply": "2023-07-31T02:15:51.782295Z"
     }
    },
    "outputs": [],
@@ -92,10 +92,10 @@
    "id": "e12ac0cd",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.301702Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.301592Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.303876Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.303617Z"
+     "iopub.execute_input": "2023-07-31T02:15:51.784074Z",
+     "iopub.status.busy": "2023-07-31T02:15:51.783969Z",
+     "iopub.status.idle": "2023-07-31T02:15:51.786285Z",
+     "shell.execute_reply": "2023-07-31T02:15:51.786035Z"
     }
    },
    "outputs": [],
@@ -122,10 +122,10 @@
    "id": "04d0f49e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.305411Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.305302Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.309554Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.309317Z"
+     "iopub.execute_input": "2023-07-31T02:15:51.787724Z",
+     "iopub.status.busy": "2023-07-31T02:15:51.787627Z",
+     "iopub.status.idle": "2023-07-31T02:15:51.791755Z",
+     "shell.execute_reply": "2023-07-31T02:15:51.791495Z"
     }
    },
    "outputs": [
@@ -169,10 +169,10 @@
    "id": "d1f0c695",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.311030Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.310945Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.336675Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.336337Z"
+     "iopub.execute_input": "2023-07-31T02:15:51.793305Z",
+     "iopub.status.busy": "2023-07-31T02:15:51.793226Z",
+     "iopub.status.idle": "2023-07-31T02:15:51.815977Z",
+     "shell.execute_reply": "2023-07-31T02:15:51.815697Z"
     }
    },
    "outputs": [],
@@ -204,10 +204,10 @@
    "id": "7a9594a0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.338368Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.338270Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.347923Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.347609Z"
+     "iopub.execute_input": "2023-07-31T02:15:51.817571Z",
+     "iopub.status.busy": "2023-07-31T02:15:51.817485Z",
+     "iopub.status.idle": "2023-07-31T02:15:51.826998Z",
+     "shell.execute_reply": "2023-07-31T02:15:51.826728Z"
     }
    },
    "outputs": [
@@ -303,10 +303,10 @@
    "id": "25f7fc5d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.349462Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.349374Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.377229Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.376963Z"
+     "iopub.execute_input": "2023-07-31T02:15:51.828557Z",
+     "iopub.status.busy": "2023-07-31T02:15:51.828471Z",
+     "iopub.status.idle": "2023-07-31T02:15:51.857144Z",
+     "shell.execute_reply": "2023-07-31T02:15:51.856863Z"
     }
    },
    "outputs": [
@@ -406,10 +406,10 @@
    "id": "369b5bd3",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.378742Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.378656Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.640684Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.639810Z"
+     "iopub.execute_input": "2023-07-31T02:15:51.858641Z",
+     "iopub.status.busy": "2023-07-31T02:15:51.858551Z",
+     "iopub.status.idle": "2023-07-31T02:15:52.158944Z",
+     "shell.execute_reply": "2023-07-31T02:15:52.158640Z"
     }
    },
    "outputs": [
@@ -462,10 +462,10 @@
    "id": "9ce7a19f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.651427Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.646298Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.691862Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.691584Z"
+     "iopub.execute_input": "2023-07-31T02:15:52.160608Z",
+     "iopub.status.busy": "2023-07-31T02:15:52.160488Z",
+     "iopub.status.idle": "2023-07-31T02:15:52.198900Z",
+     "shell.execute_reply": "2023-07-31T02:15:52.198590Z"
     }
    },
    "outputs": [
@@ -530,10 +530,10 @@
    "id": "de6cffed",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.693537Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.693432Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.695845Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.695583Z"
+     "iopub.execute_input": "2023-07-31T02:15:52.200735Z",
+     "iopub.status.busy": "2023-07-31T02:15:52.200617Z",
+     "iopub.status.idle": "2023-07-31T02:15:52.202992Z",
+     "shell.execute_reply": "2023-07-31T02:15:52.202738Z"
     }
    },
    "outputs": [
@@ -568,10 +568,10 @@
    "id": "0de71500",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.697297Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.697186Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.699576Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.699333Z"
+     "iopub.execute_input": "2023-07-31T02:15:52.204499Z",
+     "iopub.status.busy": "2023-07-31T02:15:52.204407Z",
+     "iopub.status.idle": "2023-07-31T02:15:52.206753Z",
+     "shell.execute_reply": "2023-07-31T02:15:52.206498Z"
     }
    },
    "outputs": [
@@ -610,10 +610,10 @@
    "id": "f7e87bdb",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.700975Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.700886Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.744972Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.744690Z"
+     "iopub.execute_input": "2023-07-31T02:15:52.208134Z",
+     "iopub.status.busy": "2023-07-31T02:15:52.208036Z",
+     "iopub.status.idle": "2023-07-31T02:15:52.255948Z",
+     "shell.execute_reply": "2023-07-31T02:15:52.255602Z"
     }
    },
    "outputs": [
@@ -648,10 +648,10 @@
    "id": "e88be376",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.746473Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.746386Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.749362Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.749117Z"
+     "iopub.execute_input": "2023-07-31T02:15:52.257656Z",
+     "iopub.status.busy": "2023-07-31T02:15:52.257540Z",
+     "iopub.status.idle": "2023-07-31T02:15:52.260759Z",
+     "shell.execute_reply": "2023-07-31T02:15:52.260443Z"
     }
    },
    "outputs": [
@@ -691,10 +691,10 @@
    "id": "41149af6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.750766Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.750681Z",
-     "iopub.status.idle": "2023-07-26T19:30:41.753275Z",
-     "shell.execute_reply": "2023-07-26T19:30:41.753015Z"
+     "iopub.execute_input": "2023-07-31T02:15:52.262161Z",
+     "iopub.status.busy": "2023-07-31T02:15:52.262063Z",
+     "iopub.status.idle": "2023-07-31T02:15:52.264821Z",
+     "shell.execute_reply": "2023-07-31T02:15:52.264573Z"
     }
    },
    "outputs": [
@@ -743,10 +743,10 @@
    "id": "61aabda7",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:41.754673Z",
-     "iopub.status.busy": "2023-07-26T19:30:41.754580Z",
-     "iopub.status.idle": "2023-07-26T19:30:42.239556Z",
-     "shell.execute_reply": "2023-07-26T19:30:42.239231Z"
+     "iopub.execute_input": "2023-07-31T02:15:52.266290Z",
+     "iopub.status.busy": "2023-07-31T02:15:52.266197Z",
+     "iopub.status.idle": "2023-07-31T02:15:52.746435Z",
+     "shell.execute_reply": "2023-07-31T02:15:52.746118Z"
     }
    },
    "outputs": [
@@ -802,10 +802,10 @@
    "id": "cbcad4de",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:42.241228Z",
-     "iopub.status.busy": "2023-07-26T19:30:42.241113Z",
-     "iopub.status.idle": "2023-07-26T19:30:42.322033Z",
-     "shell.execute_reply": "2023-07-26T19:30:42.321731Z"
+     "iopub.execute_input": "2023-07-31T02:15:52.748078Z",
+     "iopub.status.busy": "2023-07-31T02:15:52.747975Z",
+     "iopub.status.idle": "2023-07-31T02:15:52.829340Z",
+     "shell.execute_reply": "2023-07-31T02:15:52.829068Z"
     }
    },
    "outputs": [
@@ -843,10 +843,10 @@
    "id": "b5842190",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:42.323675Z",
-     "iopub.status.busy": "2023-07-26T19:30:42.323560Z",
-     "iopub.status.idle": "2023-07-26T19:30:42.738874Z",
-     "shell.execute_reply": "2023-07-26T19:30:42.738524Z"
+     "iopub.execute_input": "2023-07-31T02:15:52.831064Z",
+     "iopub.status.busy": "2023-07-31T02:15:52.830953Z",
+     "iopub.status.idle": "2023-07-31T02:15:53.237615Z",
+     "shell.execute_reply": "2023-07-31T02:15:53.237218Z"
     }
    },
    "outputs": [],
@@ -872,10 +872,10 @@
    "id": "7c9d8bed",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:42.740722Z",
-     "iopub.status.busy": "2023-07-26T19:30:42.740600Z",
-     "iopub.status.idle": "2023-07-26T19:30:42.743374Z",
-     "shell.execute_reply": "2023-07-26T19:30:42.743108Z"
+     "iopub.execute_input": "2023-07-31T02:15:53.239456Z",
+     "iopub.status.busy": "2023-07-31T02:15:53.239345Z",
+     "iopub.status.idle": "2023-07-31T02:15:53.242247Z",
+     "shell.execute_reply": "2023-07-31T02:15:53.241963Z"
     }
    },
    "outputs": [
@@ -917,10 +917,10 @@
    "id": "bfa39f7c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:42.744900Z",
-     "iopub.status.busy": "2023-07-26T19:30:42.744792Z",
-     "iopub.status.idle": "2023-07-26T19:30:42.747030Z",
-     "shell.execute_reply": "2023-07-26T19:30:42.746764Z"
+     "iopub.execute_input": "2023-07-31T02:15:53.243699Z",
+     "iopub.status.busy": "2023-07-31T02:15:53.243594Z",
+     "iopub.status.idle": "2023-07-31T02:15:53.245817Z",
+     "shell.execute_reply": "2023-07-31T02:15:53.245569Z"
     }
    },
    "outputs": [
@@ -960,10 +960,10 @@
    "id": "70b69b47",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:42.748394Z",
-     "iopub.status.busy": "2023-07-26T19:30:42.748301Z",
-     "iopub.status.idle": "2023-07-26T19:30:42.750369Z",
-     "shell.execute_reply": "2023-07-26T19:30:42.750115Z"
+     "iopub.execute_input": "2023-07-31T02:15:53.247278Z",
+     "iopub.status.busy": "2023-07-31T02:15:53.247171Z",
+     "iopub.status.idle": "2023-07-31T02:15:53.249292Z",
+     "shell.execute_reply": "2023-07-31T02:15:53.249050Z"
     }
    },
    "outputs": [
@@ -1009,10 +1009,10 @@
    "id": "4c0ddea1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:42.751896Z",
-     "iopub.status.busy": "2023-07-26T19:30:42.751792Z",
-     "iopub.status.idle": "2023-07-26T19:30:42.754281Z",
-     "shell.execute_reply": "2023-07-26T19:30:42.754006Z"
+     "iopub.execute_input": "2023-07-31T02:15:53.250720Z",
+     "iopub.status.busy": "2023-07-31T02:15:53.250626Z",
+     "iopub.status.idle": "2023-07-31T02:15:53.253039Z",
+     "shell.execute_reply": "2023-07-31T02:15:53.252775Z"
     }
    },
    "outputs": [],
@@ -1043,10 +1043,10 @@
    "id": "0314eac9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:42.755678Z",
-     "iopub.status.busy": "2023-07-26T19:30:42.755585Z",
-     "iopub.status.idle": "2023-07-26T19:30:42.999460Z",
-     "shell.execute_reply": "2023-07-26T19:30:42.998935Z"
+     "iopub.execute_input": "2023-07-31T02:15:53.254539Z",
+     "iopub.status.busy": "2023-07-31T02:15:53.254447Z",
+     "iopub.status.idle": "2023-07-31T02:15:53.487410Z",
+     "shell.execute_reply": "2023-07-31T02:15:53.487100Z"
     }
    },
    "outputs": [
@@ -1092,10 +1092,10 @@
    "id": "b59b8137",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:43.001457Z",
-     "iopub.status.busy": "2023-07-26T19:30:43.001301Z",
-     "iopub.status.idle": "2023-07-26T19:30:43.079281Z",
-     "shell.execute_reply": "2023-07-26T19:30:43.078814Z"
+     "iopub.execute_input": "2023-07-31T02:15:53.489154Z",
+     "iopub.status.busy": "2023-07-31T02:15:53.489039Z",
+     "iopub.status.idle": "2023-07-31T02:15:53.563916Z",
+     "shell.execute_reply": "2023-07-31T02:15:53.563610Z"
     }
    },
    "outputs": [
@@ -1142,10 +1142,10 @@
    "id": "96fb2f61",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:43.081705Z",
-     "iopub.status.busy": "2023-07-26T19:30:43.081539Z",
-     "iopub.status.idle": "2023-07-26T19:30:43.086400Z",
-     "shell.execute_reply": "2023-07-26T19:30:43.086081Z"
+     "iopub.execute_input": "2023-07-31T02:15:53.565515Z",
+     "iopub.status.busy": "2023-07-31T02:15:53.565402Z",
+     "iopub.status.idle": "2023-07-31T02:15:53.569018Z",
+     "shell.execute_reply": "2023-07-31T02:15:53.568748Z"
     }
    },
    "outputs": [
@@ -1194,10 +1194,10 @@
    "id": "fdc229fa",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:43.088801Z",
-     "iopub.status.busy": "2023-07-26T19:30:43.088456Z",
-     "iopub.status.idle": "2023-07-26T19:30:45.428003Z",
-     "shell.execute_reply": "2023-07-26T19:30:45.427711Z"
+     "iopub.execute_input": "2023-07-31T02:15:53.570437Z",
+     "iopub.status.busy": "2023-07-31T02:15:53.570359Z",
+     "iopub.status.idle": "2023-07-31T02:15:55.953846Z",
+     "shell.execute_reply": "2023-07-31T02:15:55.953572Z"
     }
    },
    "outputs": [
@@ -1244,10 +1244,10 @@
    "id": "e3894695",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:45.429626Z",
-     "iopub.status.busy": "2023-07-26T19:30:45.429511Z",
-     "iopub.status.idle": "2023-07-26T19:30:45.644637Z",
-     "shell.execute_reply": "2023-07-26T19:30:45.644276Z"
+     "iopub.execute_input": "2023-07-31T02:15:55.955682Z",
+     "iopub.status.busy": "2023-07-31T02:15:55.955570Z",
+     "iopub.status.idle": "2023-07-31T02:15:56.168609Z",
+     "shell.execute_reply": "2023-07-31T02:15:56.168280Z"
     }
    },
    "outputs": [
@@ -1303,10 +1303,10 @@
    "id": "3b7392cb",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:45.646419Z",
-     "iopub.status.busy": "2023-07-26T19:30:45.646303Z",
-     "iopub.status.idle": "2023-07-26T19:34:40.348681Z",
-     "shell.execute_reply": "2023-07-26T19:34:40.347928Z"
+     "iopub.execute_input": "2023-07-31T02:15:56.170411Z",
+     "iopub.status.busy": "2023-07-31T02:15:56.170304Z",
+     "iopub.status.idle": "2023-07-31T02:19:52.282774Z",
+     "shell.execute_reply": "2023-07-31T02:19:52.282319Z"
     }
    },
    "outputs": [],
@@ -1349,10 +1349,10 @@
    "id": "cac15616",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:34:40.352699Z",
-     "iopub.status.busy": "2023-07-26T19:34:40.352545Z",
-     "iopub.status.idle": "2023-07-26T19:34:40.476265Z",
-     "shell.execute_reply": "2023-07-26T19:34:40.475900Z"
+     "iopub.execute_input": "2023-07-31T02:19:52.285179Z",
+     "iopub.status.busy": "2023-07-31T02:19:52.285030Z",
+     "iopub.status.idle": "2023-07-31T02:19:52.430820Z",
+     "shell.execute_reply": "2023-07-31T02:19:52.430483Z"
     }
    },
    "outputs": [],
@@ -1390,10 +1390,10 @@
    "id": "9661eb10",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:34:40.478059Z",
-     "iopub.status.busy": "2023-07-26T19:34:40.477950Z",
-     "iopub.status.idle": "2023-07-26T19:34:40.481159Z",
-     "shell.execute_reply": "2023-07-26T19:34:40.480856Z"
+     "iopub.execute_input": "2023-07-31T02:19:52.432747Z",
+     "iopub.status.busy": "2023-07-31T02:19:52.432615Z",
+     "iopub.status.idle": "2023-07-31T02:19:52.435385Z",
+     "shell.execute_reply": "2023-07-31T02:19:52.435090Z"
     }
    },
    "outputs": [
@@ -1445,10 +1445,10 @@
    "id": "18ad4900",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:34:40.483066Z",
-     "iopub.status.busy": "2023-07-26T19:34:40.482980Z",
-     "iopub.status.idle": "2023-07-26T19:34:40.485451Z",
-     "shell.execute_reply": "2023-07-26T19:34:40.485202Z"
+     "iopub.execute_input": "2023-07-31T02:19:52.436985Z",
+     "iopub.status.busy": "2023-07-31T02:19:52.436868Z",
+     "iopub.status.idle": "2023-07-31T02:19:52.439478Z",
+     "shell.execute_reply": "2023-07-31T02:19:52.439213Z"
     }
    },
    "outputs": [
@@ -1513,10 +1513,10 @@
    "id": "28c276b6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:34:40.487079Z",
-     "iopub.status.busy": "2023-07-26T19:34:40.486999Z",
-     "iopub.status.idle": "2023-07-26T19:34:40.563798Z",
-     "shell.execute_reply": "2023-07-26T19:34:40.563460Z"
+     "iopub.execute_input": "2023-07-31T02:19:52.441008Z",
+     "iopub.status.busy": "2023-07-31T02:19:52.440893Z",
+     "iopub.status.idle": "2023-07-31T02:19:52.515423Z",
+     "shell.execute_reply": "2023-07-31T02:19:52.515126Z"
     }
    },
    "outputs": [
diff --git a/Ch2-statlearn-lab.ipynb b/Ch2-statlearn-lab.ipynb
index 4de57e8..b50a888 100644
--- a/Ch2-statlearn-lab.ipynb
+++ b/Ch2-statlearn-lab.ipynb
@@ -97,10 +97,10 @@
    "id": "88d0bfff",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:02.737377Z",
-     "iopub.status.busy": "2023-07-26T19:52:02.737081Z",
-     "iopub.status.idle": "2023-07-26T19:52:02.746865Z",
-     "shell.execute_reply": "2023-07-26T19:52:02.746423Z"
+     "iopub.execute_input": "2023-07-31T02:19:54.930945Z",
+     "iopub.status.busy": "2023-07-31T02:19:54.930255Z",
+     "iopub.status.idle": "2023-07-31T02:19:54.946609Z",
+     "shell.execute_reply": "2023-07-31T02:19:54.945952Z"
     }
    },
    "outputs": [
@@ -130,10 +130,10 @@
    "id": "ebe7aca8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:02.749414Z",
-     "iopub.status.busy": "2023-07-26T19:52:02.749237Z",
-     "iopub.status.idle": "2023-07-26T19:52:02.775788Z",
-     "shell.execute_reply": "2023-07-26T19:52:02.775525Z"
+     "iopub.execute_input": "2023-07-31T02:19:54.950081Z",
+     "iopub.status.busy": "2023-07-31T02:19:54.949852Z",
+     "iopub.status.idle": "2023-07-31T02:19:54.982824Z",
+     "shell.execute_reply": "2023-07-31T02:19:54.982548Z"
     }
    },
    "outputs": [],
@@ -155,10 +155,10 @@
    "id": "df2f8168",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:02.777283Z",
-     "iopub.status.busy": "2023-07-26T19:52:02.777183Z",
-     "iopub.status.idle": "2023-07-26T19:52:02.780103Z",
-     "shell.execute_reply": "2023-07-26T19:52:02.779848Z"
+     "iopub.execute_input": "2023-07-31T02:19:54.984493Z",
+     "iopub.status.busy": "2023-07-31T02:19:54.984388Z",
+     "iopub.status.idle": "2023-07-31T02:19:54.987616Z",
+     "shell.execute_reply": "2023-07-31T02:19:54.987363Z"
     }
    },
    "outputs": [
@@ -195,10 +195,10 @@
    "id": "4cc5c2c1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:02.781519Z",
-     "iopub.status.busy": "2023-07-26T19:52:02.781422Z",
-     "iopub.status.idle": "2023-07-26T19:52:02.783617Z",
-     "shell.execute_reply": "2023-07-26T19:52:02.783342Z"
+     "iopub.execute_input": "2023-07-31T02:19:54.989196Z",
+     "iopub.status.busy": "2023-07-31T02:19:54.989079Z",
+     "iopub.status.idle": "2023-07-31T02:19:54.991281Z",
+     "shell.execute_reply": "2023-07-31T02:19:54.990967Z"
     }
    },
    "outputs": [
@@ -244,10 +244,10 @@
    "id": "e5d81180",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:02.785061Z",
-     "iopub.status.busy": "2023-07-26T19:52:02.784974Z",
-     "iopub.status.idle": "2023-07-26T19:52:02.787129Z",
-     "shell.execute_reply": "2023-07-26T19:52:02.786875Z"
+     "iopub.execute_input": "2023-07-31T02:19:54.992960Z",
+     "iopub.status.busy": "2023-07-31T02:19:54.992843Z",
+     "iopub.status.idle": "2023-07-31T02:19:54.994972Z",
+     "shell.execute_reply": "2023-07-31T02:19:54.994710Z"
     }
    },
    "outputs": [
@@ -285,10 +285,10 @@
    "id": "425a714c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:02.788616Z",
-     "iopub.status.busy": "2023-07-26T19:52:02.788520Z",
-     "iopub.status.idle": "2023-07-26T19:52:02.790565Z",
-     "shell.execute_reply": "2023-07-26T19:52:02.790314Z"
+     "iopub.execute_input": "2023-07-31T02:19:54.996450Z",
+     "iopub.status.busy": "2023-07-31T02:19:54.996354Z",
+     "iopub.status.idle": "2023-07-31T02:19:54.998412Z",
+     "shell.execute_reply": "2023-07-31T02:19:54.998136Z"
     }
    },
    "outputs": [
@@ -358,10 +358,10 @@
    "id": "2f88669a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:02.792062Z",
-     "iopub.status.busy": "2023-07-26T19:52:02.791974Z",
-     "iopub.status.idle": "2023-07-26T19:52:02.935871Z",
-     "shell.execute_reply": "2023-07-26T19:52:02.935187Z"
+     "iopub.execute_input": "2023-07-31T02:19:54.999936Z",
+     "iopub.status.busy": "2023-07-31T02:19:54.999846Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.074905Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.074215Z"
     }
    },
    "outputs": [],
@@ -393,10 +393,10 @@
    "id": "e8ec382a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:02.941443Z",
-     "iopub.status.busy": "2023-07-26T19:52:02.941120Z",
-     "iopub.status.idle": "2023-07-26T19:52:02.945978Z",
-     "shell.execute_reply": "2023-07-26T19:52:02.944509Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.080476Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.079040Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.085010Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.084396Z"
     }
    },
    "outputs": [],
@@ -431,10 +431,10 @@
    "id": "04de39ad",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:02.957754Z",
-     "iopub.status.busy": "2023-07-26T19:52:02.957436Z",
-     "iopub.status.idle": "2023-07-26T19:52:02.965676Z",
-     "shell.execute_reply": "2023-07-26T19:52:02.964907Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.093437Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.091813Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.099515Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.098725Z"
     }
    },
    "outputs": [
@@ -468,10 +468,10 @@
    "id": "fee5d798",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:02.975785Z",
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-     "iopub.status.idle": "2023-07-26T19:52:02.987482Z",
-     "shell.execute_reply": "2023-07-26T19:52:02.986668Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.105177Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.104776Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.111056Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.110390Z"
     }
    },
    "outputs": [
@@ -509,10 +509,10 @@
    "id": "5871ca00",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:02.992198Z",
-     "iopub.status.busy": "2023-07-26T19:52:02.991801Z",
-     "iopub.status.idle": "2023-07-26T19:52:02.999371Z",
-     "shell.execute_reply": "2023-07-26T19:52:02.998667Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.114118Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.113892Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.118784Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.118098Z"
     }
    },
    "outputs": [
@@ -547,10 +547,10 @@
    "id": "5a32759c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.003244Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.003013Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.010645Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.009862Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.121874Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.121557Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.125886Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.125226Z"
     }
    },
    "outputs": [
@@ -586,10 +586,10 @@
    "id": "55f01b16",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.017723Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.017363Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.025895Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.025098Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.129292Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.128953Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.133425Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.132824Z"
     }
    },
    "outputs": [
@@ -624,10 +624,10 @@
    "id": "2a9de618",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.030391Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.029805Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.041697Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.040994Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.136626Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.136412Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.140205Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.139252Z"
     }
    },
    "outputs": [],
@@ -649,10 +649,10 @@
    "id": "33e3e6ea",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.045919Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.045593Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.055182Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.053656Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.143610Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.143298Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.150031Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.148539Z"
     }
    },
    "outputs": [
@@ -686,10 +686,10 @@
    "id": "623f8434",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.060025Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.059585Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.067320Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.065586Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.153298Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.153076Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.157147Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.156560Z"
     }
    },
    "outputs": [
@@ -728,10 +728,10 @@
    "id": "235738a7",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.071227Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.070917Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.073865Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.073560Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.161000Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.160710Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.165032Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.164369Z"
     }
    },
    "outputs": [
@@ -765,10 +765,10 @@
    "id": "7f3494e1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.075343Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.075234Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.077485Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.077233Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.168035Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.167814Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.172036Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.171424Z"
     }
    },
    "outputs": [
@@ -810,10 +810,10 @@
    "id": "0ca8f936",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.078992Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.078883Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.080993Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.080706Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.175473Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.175049Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.179255Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.178621Z"
     }
    },
    "outputs": [
@@ -861,10 +861,10 @@
    "id": "23fba624",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.082567Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.082453Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.084631Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.084339Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.183850Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.183200Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.188356Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.187726Z"
     }
    },
    "outputs": [
@@ -898,10 +898,10 @@
    "id": "1a1df926",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.086210Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.086104Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.088245Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.087974Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.191472Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.191240Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.195433Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.194720Z"
     }
    },
    "outputs": [
@@ -937,10 +937,10 @@
    "id": "4bfcc1e1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.089800Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.089696Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.091989Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.091708Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.199275Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.198815Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.203321Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.202715Z"
     }
    },
    "outputs": [
@@ -992,10 +992,10 @@
    "id": "973c562a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.093630Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.093506Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.215063Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.214794Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.207215Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.206957Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.336832Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.336545Z"
     }
    },
    "outputs": [
@@ -1031,10 +1031,10 @@
    "id": "56b5c382",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.216651Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.216527Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.218737Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.218479Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.338558Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.338442Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.340894Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.340636Z"
     }
    },
    "outputs": [
@@ -1075,10 +1075,10 @@
    "id": "2e624622",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.220135Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.220039Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.222171Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.221917Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.342419Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.342311Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.344447Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.344186Z"
     }
    },
    "outputs": [
@@ -1112,10 +1112,10 @@
    "id": "6f45bd25",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.223637Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.223538Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.225819Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.225592Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.345962Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.345864Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.347930Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.347615Z"
     }
    },
    "outputs": [
@@ -1148,10 +1148,10 @@
    "id": "6980f628",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.227226Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.227132Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.229135Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.228919Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.349275Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.349187Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.351235Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.350993Z"
     }
    },
    "outputs": [
@@ -1194,26 +1194,26 @@
    "id": "89e32100",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.230600Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.230510Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.233600Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.233339Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.352623Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.352535Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.354759Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.354511Z"
     }
    },
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "array([ 0.55240094,  0.2879743 , -0.74444407, -0.67840831,  0.8641021 ,\n",
-       "        1.16201211, -1.38788924,  0.83871247,  0.53491648, -0.2840892 ,\n",
-       "       -1.97916855, -0.30707507,  1.08128056, -2.13895695, -0.22572911,\n",
-       "        0.38741037,  0.39217999, -1.02532918, -0.38393848, -0.10165739,\n",
-       "        0.36519395,  0.43557941,  0.47068719, -0.07333358,  0.91177478,\n",
-       "       -0.10860626,  0.94830924,  0.79217516,  1.74005911, -1.67759113,\n",
-       "       -0.24136372,  0.29637843, -0.70319857, -1.30004634,  1.2803208 ,\n",
-       "       -0.09100392,  0.77651661, -1.42868505, -2.27005102,  0.90133081,\n",
-       "        0.94080238, -0.79586233, -0.74620826,  0.53954272, -0.2585748 ,\n",
-       "       -1.16420401, -1.13683257, -0.72194704, -0.91694097, -0.55688956])"
+       "array([-0.32811487,  2.23248403, -1.52447344,  0.87877484,  0.96469789,\n",
+       "        0.30865486,  0.27267724, -0.60057925, -1.05393735, -0.50796536,\n",
+       "       -0.37084711, -2.06355835, -0.33046415, -0.42649073,  0.89919736,\n",
+       "        1.42958323,  1.21817925, -1.09955402,  0.53118572, -1.6542446 ,\n",
+       "        0.01086168,  0.41526654, -1.35753179,  0.45375349,  1.11132718,\n",
+       "        1.19292713,  1.18995843,  0.63104856, -0.78136416, -0.3738745 ,\n",
+       "       -0.10391399, -0.25248889,  1.7725557 , -0.01959626, -0.34732798,\n",
+       "        1.03993987,  0.23681907,  1.07380138, -0.04976414,  2.0716395 ,\n",
+       "       -1.60225312, -1.3209919 ,  0.24733062, -0.01605715,  0.01309674,\n",
+       "        2.15909284, -2.13624645,  0.64257243, -0.33452604,  0.84815965])"
       ]
      },
      "execution_count": 28,
@@ -1240,10 +1240,10 @@
    "id": "e3428155",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.234988Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.234900Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.236557Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.236327Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.356099Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.356006Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.357674Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.357434Z"
     }
    },
    "outputs": [],
@@ -1266,18 +1266,18 @@
    "id": "df70172e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.237894Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.237800Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.240243Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.240012Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.359035Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.358958Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.361240Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.361002Z"
     }
    },
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "array([[1.        , 0.73182592],\n",
-       "       [0.73182592, 1.        ]])"
+       "array([[1.        , 0.62232452],\n",
+       "       [0.62232452, 1.        ]])"
       ]
      },
      "execution_count": 30,
@@ -1306,10 +1306,10 @@
    "id": "1d996956",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.241551Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.241465Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.243345Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.243110Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.362596Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.362498Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.364433Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.364198Z"
     }
    },
    "outputs": [
@@ -1317,8 +1317,8 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "[-5.98279059  4.61432069]\n",
-      "[3.59629991 1.693651  ]\n"
+      "[5.36436837 4.4802098 ]\n",
+      "[5.8496351  4.14855633]\n"
      ]
     }
    ],
@@ -1348,10 +1348,10 @@
    "id": "37b3a30b",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.244712Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.244621Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.247503Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.247229Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.365832Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.365741Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.367967Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.367727Z"
     }
    },
    "outputs": [
@@ -1394,10 +1394,10 @@
    "id": "b4f99e0e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.248952Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.248859Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.251464Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.251221Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.369367Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.369272Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.371528Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.371273Z"
     }
    },
    "outputs": [
@@ -1424,10 +1424,10 @@
    "id": "dbd70319",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.252836Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.252745Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.254923Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.254679Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.372848Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.372755Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.374988Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.374743Z"
     }
    },
    "outputs": [
@@ -1461,10 +1461,10 @@
    "id": "bf281844",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.256267Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.256175Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.258276Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.258036Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.376355Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.376270Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.378293Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.378046Z"
     }
    },
    "outputs": [
@@ -1498,10 +1498,10 @@
    "id": "f751b1dd",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.259656Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.259554Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.261586Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.261349Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.379674Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.379580Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.381747Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.381495Z"
     }
    },
    "outputs": [
@@ -1544,10 +1544,10 @@
    "id": "cbf92de5",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.262977Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.262888Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.264980Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.264727Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.383175Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.383088Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.385113Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.384859Z"
     }
    },
    "outputs": [
@@ -1580,10 +1580,10 @@
    "id": "efacc213",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.266382Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.266290Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.268317Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.268091Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.386470Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.386379Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.388376Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.388149Z"
     }
    },
    "outputs": [
@@ -1641,10 +1641,10 @@
    "id": "637fb67d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.269692Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.269601Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.584302Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.583988Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.389779Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.389694Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.691223Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.690903Z"
     }
    },
    "outputs": [
@@ -1683,10 +1683,10 @@
    "id": "109d681d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.586083Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.585936Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.657144Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.656846Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.693013Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.692861Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.764802Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.764451Z"
     }
    },
    "outputs": [
@@ -1721,10 +1721,10 @@
    "id": "e905982c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.658874Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.658762Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.733252Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.732954Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.767203Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.767067Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.845613Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.845305Z"
     }
    },
    "outputs": [
@@ -1768,10 +1768,10 @@
    "id": "27133a4e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.734922Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.734810Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.815074Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.814777Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.847384Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.847263Z",
+     "iopub.status.idle": "2023-07-31T02:19:55.926583Z",
+     "shell.execute_reply": "2023-07-31T02:19:55.926281Z"
     }
    },
    "outputs": [
@@ -1808,17 +1808,17 @@
    "id": "ef41f90d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.816776Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.816662Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.895207Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.894894Z"
+     "iopub.execute_input": "2023-07-31T02:19:55.928298Z",
+     "iopub.status.busy": "2023-07-31T02:19:55.928181Z",
+     "iopub.status.idle": "2023-07-31T02:19:56.006857Z",
+     "shell.execute_reply": "2023-07-31T02:19:56.006569Z"
     }
    },
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "<matplotlib.collections.PathCollection at 0x110227750>"
+       "<matplotlib.collections.PathCollection at 0x10f0db910>"
       ]
      },
      "execution_count": 43,
@@ -1866,10 +1866,10 @@
    "id": "16a9cb99",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.896869Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.896757Z",
-     "iopub.status.idle": "2023-07-26T19:52:03.992506Z",
-     "shell.execute_reply": "2023-07-26T19:52:03.992215Z"
+     "iopub.execute_input": "2023-07-31T02:19:56.008735Z",
+     "iopub.status.busy": "2023-07-31T02:19:56.008603Z",
+     "iopub.status.idle": "2023-07-31T02:19:56.103925Z",
+     "shell.execute_reply": "2023-07-31T02:19:56.103640Z"
     }
    },
    "outputs": [
@@ -1907,10 +1907,10 @@
    "id": "6707420e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:03.994250Z",
-     "iopub.status.busy": "2023-07-26T19:52:03.994126Z",
-     "iopub.status.idle": "2023-07-26T19:52:04.056288Z",
-     "shell.execute_reply": "2023-07-26T19:52:04.055977Z"
+     "iopub.execute_input": "2023-07-31T02:19:56.105616Z",
+     "iopub.status.busy": "2023-07-31T02:19:56.105506Z",
+     "iopub.status.idle": "2023-07-31T02:19:56.168565Z",
+     "shell.execute_reply": "2023-07-31T02:19:56.168059Z"
     }
    },
    "outputs": [
@@ -1952,10 +1952,10 @@
    "id": "6c78ef8b",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:04.057973Z",
-     "iopub.status.busy": "2023-07-26T19:52:04.057866Z",
-     "iopub.status.idle": "2023-07-26T19:52:04.337880Z",
-     "shell.execute_reply": "2023-07-26T19:52:04.337591Z"
+     "iopub.execute_input": "2023-07-31T02:19:56.172243Z",
+     "iopub.status.busy": "2023-07-31T02:19:56.172045Z",
+     "iopub.status.idle": "2023-07-31T02:19:56.596626Z",
+     "shell.execute_reply": "2023-07-31T02:19:56.596325Z"
     }
    },
    "outputs": [
@@ -1991,10 +1991,10 @@
    "id": "a18402fb",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:04.339647Z",
-     "iopub.status.busy": "2023-07-26T19:52:04.339528Z",
-     "iopub.status.idle": "2023-07-26T19:52:04.520873Z",
-     "shell.execute_reply": "2023-07-26T19:52:04.520598Z"
+     "iopub.execute_input": "2023-07-31T02:19:56.598317Z",
+     "iopub.status.busy": "2023-07-31T02:19:56.598208Z",
+     "iopub.status.idle": "2023-07-31T02:19:56.792609Z",
+     "shell.execute_reply": "2023-07-31T02:19:56.792223Z"
     }
    },
    "outputs": [
@@ -2041,10 +2041,10 @@
    "id": "80e18950",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:04.522541Z",
-     "iopub.status.busy": "2023-07-26T19:52:04.522437Z",
-     "iopub.status.idle": "2023-07-26T19:52:05.958296Z",
-     "shell.execute_reply": "2023-07-26T19:52:05.957950Z"
+     "iopub.execute_input": "2023-07-31T02:19:56.794381Z",
+     "iopub.status.busy": "2023-07-31T02:19:56.794260Z",
+     "iopub.status.idle": "2023-07-31T02:19:57.918552Z",
+     "shell.execute_reply": "2023-07-31T02:19:57.918233Z"
     }
    },
    "outputs": [],
@@ -2067,10 +2067,10 @@
    "id": "fe8c404d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:05.960204Z",
-     "iopub.status.busy": "2023-07-26T19:52:05.960039Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.187725Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.187425Z"
+     "iopub.execute_input": "2023-07-31T02:19:57.920860Z",
+     "iopub.status.busy": "2023-07-31T02:19:57.920410Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.160796Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.160490Z"
     }
    },
    "outputs": [
@@ -2117,10 +2117,10 @@
    "id": "a99034cb",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.189503Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.189385Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.313416Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.313116Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.162589Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.162476Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.263958Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.263617Z"
     }
    },
    "outputs": [
@@ -2157,10 +2157,10 @@
    "id": "c613a5df",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.315074Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.314960Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.439271Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.438937Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.265796Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.265669Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.395234Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.394853Z"
     }
    },
    "outputs": [
@@ -2202,10 +2202,10 @@
    "id": "bef21527",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.441110Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.441018Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.543262Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.542968Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.397112Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.397015Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.499871Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.499547Z"
     }
    },
    "outputs": [
@@ -2249,10 +2249,10 @@
    "id": "4435ed50",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.544985Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.544874Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.547517Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.547225Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.501674Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.501545Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.504084Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.503742Z"
     }
    },
    "outputs": [
@@ -2288,10 +2288,10 @@
    "id": "7a2c664a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.549067Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.548966Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.551289Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.551055Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.505674Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.505572Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.507829Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.507555Z"
     }
    },
    "outputs": [
@@ -2329,10 +2329,10 @@
    "id": "810eafdf",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.552711Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.552603Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.554664Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.554420Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.509309Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.509204Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.511443Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.511173Z"
     }
    },
    "outputs": [
@@ -2366,10 +2366,10 @@
    "id": "f7a9f652",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.556103Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.556004Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.557868Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.557619Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.512897Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.512794Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.514883Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.514637Z"
     }
    },
    "outputs": [
@@ -2413,10 +2413,10 @@
    "id": "24427538",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.559419Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.559330Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.561629Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.561317Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.516445Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.516346Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.518539Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.518299Z"
     }
    },
    "outputs": [
@@ -2454,10 +2454,10 @@
    "id": "18684ed5",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.563528Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.563418Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.565720Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.565419Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.520019Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.519923Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.521980Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.521677Z"
     }
    },
    "outputs": [
@@ -2495,10 +2495,10 @@
    "id": "34d27b73",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.567363Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.567250Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.569380Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.569104Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.523496Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.523397Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.525560Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.525249Z"
     }
    },
    "outputs": [
@@ -2534,10 +2534,10 @@
    "id": "1bb799c5",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.571503Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.571389Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.573542Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.573303Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.527101Z",
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+     "iopub.status.idle": "2023-07-31T02:19:58.529215Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.528954Z"
     }
    },
    "outputs": [
@@ -2575,10 +2575,10 @@
    "id": "de853e7c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.577258Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.577154Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.579369Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.579142Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.530658Z",
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+     "shell.execute_reply": "2023-07-31T02:19:58.532627Z"
     }
    },
    "outputs": [
@@ -2611,10 +2611,10 @@
    "id": "e71bf672",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.580765Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.580668Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.582858Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.582604Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.534505Z",
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+     "shell.execute_reply": "2023-07-31T02:19:58.536568Z"
     }
    },
    "outputs": [
@@ -2647,10 +2647,10 @@
    "id": "458fe5c9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.584227Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.584129Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.606641Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.606379Z"
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+     "shell.execute_reply": "2023-07-31T02:19:58.560804Z"
     }
    },
    "outputs": [
@@ -2686,10 +2686,10 @@
    "id": "703832ac",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.608099Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.608022Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.610259Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.610009Z"
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+     "shell.execute_reply": "2023-07-31T02:19:58.564682Z"
     }
    },
    "outputs": [
@@ -2726,10 +2726,10 @@
    "id": "dbf328b7",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.611672Z",
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-     "shell.execute_reply": "2023-07-26T19:52:06.613620Z"
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+     "shell.execute_reply": "2023-07-31T02:19:58.568568Z"
     }
    },
    "outputs": [
@@ -2768,10 +2768,10 @@
    "id": "65784eb0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.615285Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.615193Z",
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-     "shell.execute_reply": "2023-07-26T19:52:06.617287Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.570355Z",
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+     "shell.execute_reply": "2023-07-31T02:19:58.572289Z"
     }
    },
    "outputs": [
@@ -2818,10 +2818,10 @@
    "id": "3ddb0d83",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.619022Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.618924Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.621168Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.620888Z"
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+     "shell.execute_reply": "2023-07-31T02:19:58.575865Z"
     }
    },
    "outputs": [
@@ -2855,10 +2855,10 @@
    "id": "90e72009",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.622697Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.622595Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.624777Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.624509Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.577766Z",
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+     "shell.execute_reply": "2023-07-31T02:19:58.579655Z"
     }
    },
    "outputs": [
@@ -2894,10 +2894,10 @@
    "id": "fb3b6534",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.626305Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.626204Z",
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-     "shell.execute_reply": "2023-07-26T19:52:06.628266Z"
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+     "shell.execute_reply": "2023-07-31T02:19:58.583490Z"
     }
    },
    "outputs": [
@@ -2940,10 +2940,10 @@
    "id": "b146db22",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.630146Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.630046Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.632344Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.632081Z"
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+     "shell.execute_reply": "2023-07-31T02:19:58.587269Z"
     }
    },
    "outputs": [
@@ -2979,10 +2979,10 @@
    "id": "6bf7b4a3",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.633830Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.633740Z",
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-     "shell.execute_reply": "2023-07-26T19:52:06.635652Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.588980Z",
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+     "shell.execute_reply": "2023-07-31T02:19:58.590750Z"
     }
    },
    "outputs": [
@@ -3026,10 +3026,10 @@
    "id": "288011d9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.637526Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.637427Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.640004Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.639703Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.592530Z",
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+     "shell.execute_reply": "2023-07-31T02:19:58.594768Z"
     }
    },
    "outputs": [
@@ -3066,10 +3066,10 @@
    "id": "3e3b1954",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.641572Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.641472Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.643852Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.643605Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.596526Z",
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+     "shell.execute_reply": "2023-07-31T02:19:58.598514Z"
     }
    },
    "outputs": [
@@ -3149,10 +3149,10 @@
    "id": "d02bfb28",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.645370Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.645266Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.872312Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.872051Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.600410Z",
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+     "iopub.status.idle": "2023-07-31T02:19:58.820725Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.820427Z"
     }
    },
    "outputs": [
@@ -3381,10 +3381,10 @@
    "id": "ca6090af",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.873853Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.873746Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.877071Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.876815Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.822300Z",
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+     "shell.execute_reply": "2023-07-31T02:19:58.825417Z"
     }
    },
    "outputs": [],
@@ -3416,10 +3416,10 @@
    "id": "7220aa87",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.878534Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.878445Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.880857Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.880617Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.827227Z",
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+     "iopub.status.idle": "2023-07-31T02:19:58.829740Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.829490Z"
     }
    },
    "outputs": [
@@ -3466,10 +3466,10 @@
    "id": "ca1939f0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.882199Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.882111Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.884401Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.884152Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.831176Z",
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+     "iopub.status.idle": "2023-07-31T02:19:58.833413Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.833176Z"
     }
    },
    "outputs": [
@@ -3525,10 +3525,10 @@
    "id": "cfb084e7",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.885767Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.885694Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.889329Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.889075Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.834807Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.834718Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.838363Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.838120Z"
     }
    },
    "outputs": [
@@ -3565,10 +3565,10 @@
    "id": "2e02b6a5",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.890791Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.890718Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.892775Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.892536Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.839782Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.839709Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.841717Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.841484Z"
     }
    },
    "outputs": [
@@ -3604,10 +3604,10 @@
    "id": "d391f8d0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.894123Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.894052Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.896547Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.896303Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.843111Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.843031Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.845585Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.845354Z"
     }
    },
    "outputs": [
@@ -3643,10 +3643,10 @@
    "id": "a222ca60",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.897978Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.897899Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.900118Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.899858Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.846908Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.846837Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.848998Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.848769Z"
     }
    },
    "outputs": [
@@ -3686,10 +3686,10 @@
    "id": "a75921ac",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.901454Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.901379Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.905681Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.905425Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.850348Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.850276Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.854632Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.854378Z"
     }
    },
    "outputs": [
@@ -3801,10 +3801,10 @@
    "id": "7469ff2b",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.907164Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.907090Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.919734Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.919470Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.856018Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.855938Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.868410Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.868163Z"
     }
    },
    "outputs": [
@@ -4687,10 +4687,10 @@
    "id": "ac455404",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.921228Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.921133Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.925436Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.925197Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.869894Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.869804Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.874286Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.874040Z"
     }
    },
    "outputs": [
@@ -4821,10 +4821,10 @@
    "id": "f41235d4",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.926788Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.926704Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.928885Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.928634Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.875720Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.875641Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.877794Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.877564Z"
     }
    },
    "outputs": [
@@ -4861,10 +4861,10 @@
    "id": "31caba24",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.930332Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.930250Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.936182Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.935928Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.879194Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.879116Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.885170Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.884897Z"
     }
    },
    "outputs": [
@@ -5085,10 +5085,10 @@
    "id": "594bedfa",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.937585Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.937499Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.939598Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.939342Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.886600Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.886516Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.888663Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.888411Z"
     }
    },
    "outputs": [
@@ -5127,10 +5127,10 @@
    "id": "9a59b083",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.941016Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.940914Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.945133Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.944870Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.890089Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.890009Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.894256Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.894030Z"
     }
    },
    "outputs": [
@@ -5239,10 +5239,10 @@
    "id": "54457a11",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.946509Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.946437Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.950460Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.950214Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.895674Z",
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+     "iopub.status.idle": "2023-07-31T02:19:58.899819Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.899555Z"
     }
    },
    "outputs": [
@@ -5350,10 +5350,10 @@
    "id": "8a4f3faf",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.951907Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.951825Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.956409Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.956165Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.901242Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.901166Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.905836Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.905588Z"
     }
    },
    "outputs": [
@@ -5503,10 +5503,10 @@
    "id": "8f1e6e56",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.957764Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.957686Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.961161Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.960933Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.907325Z",
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+     "iopub.status.idle": "2023-07-31T02:19:58.910862Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.910565Z"
     }
    },
    "outputs": [
@@ -5589,10 +5589,10 @@
    "id": "f1d0e795",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.962511Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.962430Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.965787Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.965541Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.912283Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.912205Z",
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+     "shell.execute_reply": "2023-07-31T02:19:58.915515Z"
     }
    },
    "outputs": [
@@ -5681,10 +5681,10 @@
    "id": "392f10a1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.967213Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.967130Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.972621Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.972377Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.917357Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.917238Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.923725Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.923444Z"
     }
    },
    "outputs": [
@@ -6100,10 +6100,10 @@
    "id": "5f5b7906",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.974018Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.973939Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.979384Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.979118Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.925315Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.925200Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.931279Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.931014Z"
     }
    },
    "outputs": [
@@ -6523,10 +6523,10 @@
    "id": "b13c5728",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.980745Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.980664Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.985408Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.985181Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.932750Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.932655Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.937659Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.937405Z"
     }
    },
    "outputs": [
@@ -6802,10 +6802,10 @@
    "id": "d5a2c3be",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.986815Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.986743Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.992567Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.992322Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.939058Z",
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+     "iopub.status.idle": "2023-07-31T02:19:58.944784Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.944527Z"
     }
    },
    "outputs": [
@@ -7192,10 +7192,10 @@
    "id": "a6278441",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.994021Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.993917Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.995757Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.995520Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.946180Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.946101Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.948018Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.947792Z"
     }
    },
    "outputs": [
@@ -7235,10 +7235,10 @@
    "id": "2aa065a8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:06.997234Z",
-     "iopub.status.busy": "2023-07-26T19:52:06.997139Z",
-     "iopub.status.idle": "2023-07-26T19:52:06.999101Z",
-     "shell.execute_reply": "2023-07-26T19:52:06.998866Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.949452Z",
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+     "iopub.status.idle": "2023-07-31T02:19:58.951372Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.951143Z"
     }
    },
    "outputs": [
@@ -7286,10 +7286,10 @@
    "id": "832c1b7d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.000500Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.000405Z",
-     "iopub.status.idle": "2023-07-26T19:52:07.002363Z",
-     "shell.execute_reply": "2023-07-26T19:52:07.002131Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.952776Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.952701Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.954676Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.954428Z"
     }
    },
    "outputs": [
@@ -7341,10 +7341,10 @@
    "id": "2ca2e7cd",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.003748Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.003661Z",
-     "iopub.status.idle": "2023-07-26T19:52:07.009878Z",
-     "shell.execute_reply": "2023-07-26T19:52:07.009631Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.956035Z",
+     "iopub.status.busy": "2023-07-31T02:19:58.955955Z",
+     "iopub.status.idle": "2023-07-31T02:19:58.960636Z",
+     "shell.execute_reply": "2023-07-31T02:19:58.960393Z"
     }
    },
    "outputs": [
@@ -7436,10 +7436,10 @@
    "id": "d8ae1dcc",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.011194Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.011117Z",
-     "iopub.status.idle": "2023-07-26T19:52:07.013549Z",
-     "shell.execute_reply": "2023-07-26T19:52:07.013303Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.962038Z",
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+     "shell.execute_reply": "2023-07-31T02:19:58.964187Z"
     }
    },
    "outputs": [
@@ -7492,10 +7492,10 @@
    "id": "30a8a663",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.014983Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.014893Z",
-     "iopub.status.idle": "2023-07-26T19:52:07.107338Z",
-     "shell.execute_reply": "2023-07-26T19:52:07.107051Z"
+     "iopub.execute_input": "2023-07-31T02:19:58.965855Z",
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+     "iopub.status.idle": "2023-07-31T02:19:59.059137Z",
+     "shell.execute_reply": "2023-07-31T02:19:59.058798Z"
     }
    },
    "outputs": [
@@ -7540,10 +7540,10 @@
    "id": "81fdedb1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.109035Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.108917Z",
-     "iopub.status.idle": "2023-07-26T19:52:07.195602Z",
-     "shell.execute_reply": "2023-07-26T19:52:07.195268Z"
+     "iopub.execute_input": "2023-07-31T02:19:59.060801Z",
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+     "shell.execute_reply": "2023-07-31T02:19:59.150780Z"
     }
    },
    "outputs": [
@@ -7581,10 +7581,10 @@
    "id": "61850515",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.197327Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.197203Z",
-     "iopub.status.idle": "2023-07-26T19:52:07.295368Z",
-     "shell.execute_reply": "2023-07-26T19:52:07.295087Z"
+     "iopub.execute_input": "2023-07-31T02:19:59.152898Z",
+     "iopub.status.busy": "2023-07-31T02:19:59.152782Z",
+     "iopub.status.idle": "2023-07-31T02:19:59.249760Z",
+     "shell.execute_reply": "2023-07-31T02:19:59.249444Z"
     }
    },
    "outputs": [
@@ -7630,10 +7630,10 @@
    "id": "f2e0c165",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.297052Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.296945Z",
-     "iopub.status.idle": "2023-07-26T19:52:07.338161Z",
-     "shell.execute_reply": "2023-07-26T19:52:07.337861Z"
+     "iopub.execute_input": "2023-07-31T02:19:59.251454Z",
+     "iopub.status.busy": "2023-07-31T02:19:59.251353Z",
+     "iopub.status.idle": "2023-07-31T02:19:59.291857Z",
+     "shell.execute_reply": "2023-07-31T02:19:59.291567Z"
     }
    },
    "outputs": [],
@@ -7661,10 +7661,10 @@
    "id": "35c72e77",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.340093Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.339975Z",
-     "iopub.status.idle": "2023-07-26T19:52:07.508374Z",
-     "shell.execute_reply": "2023-07-26T19:52:07.508070Z"
+     "iopub.execute_input": "2023-07-31T02:19:59.293503Z",
+     "iopub.status.busy": "2023-07-31T02:19:59.293415Z",
+     "iopub.status.idle": "2023-07-31T02:19:59.462765Z",
+     "shell.execute_reply": "2023-07-31T02:19:59.462430Z"
     }
    },
    "outputs": [
@@ -7709,10 +7709,10 @@
    "id": "2b6fb1ad",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.510257Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.510136Z",
-     "iopub.status.idle": "2023-07-26T19:52:07.513194Z",
-     "shell.execute_reply": "2023-07-26T19:52:07.512935Z"
+     "iopub.execute_input": "2023-07-31T02:19:59.464559Z",
+     "iopub.status.busy": "2023-07-31T02:19:59.464441Z",
+     "iopub.status.idle": "2023-07-31T02:19:59.467500Z",
+     "shell.execute_reply": "2023-07-31T02:19:59.467197Z"
     }
    },
    "outputs": [
@@ -7747,10 +7747,10 @@
    "id": "1f19f48c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.514811Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.514717Z",
-     "iopub.status.idle": "2023-07-26T19:52:07.621337Z",
-     "shell.execute_reply": "2023-07-26T19:52:07.621032Z"
+     "iopub.execute_input": "2023-07-31T02:19:59.469015Z",
+     "iopub.status.busy": "2023-07-31T02:19:59.468931Z",
+     "iopub.status.idle": "2023-07-31T02:19:59.576174Z",
+     "shell.execute_reply": "2023-07-31T02:19:59.575830Z"
     }
    },
    "outputs": [
@@ -7784,10 +7784,10 @@
    "id": "929b6901",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.623095Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.622970Z",
-     "iopub.status.idle": "2023-07-26T19:52:07.725786Z",
-     "shell.execute_reply": "2023-07-26T19:52:07.725485Z"
+     "iopub.execute_input": "2023-07-31T02:19:59.577889Z",
+     "iopub.status.busy": "2023-07-31T02:19:59.577777Z",
+     "iopub.status.idle": "2023-07-31T02:19:59.680396Z",
+     "shell.execute_reply": "2023-07-31T02:19:59.680097Z"
     }
    },
    "outputs": [
@@ -7821,10 +7821,10 @@
    "id": "8d48f1e9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.727515Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.727392Z",
-     "iopub.status.idle": "2023-07-26T19:52:07.825334Z",
-     "shell.execute_reply": "2023-07-26T19:52:07.825026Z"
+     "iopub.execute_input": "2023-07-31T02:19:59.682075Z",
+     "iopub.status.busy": "2023-07-31T02:19:59.681968Z",
+     "iopub.status.idle": "2023-07-31T02:19:59.779240Z",
+     "shell.execute_reply": "2023-07-31T02:19:59.778959Z"
     }
    },
    "outputs": [
@@ -7862,10 +7862,10 @@
    "id": "400690e6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:07.827140Z",
-     "iopub.status.busy": "2023-07-26T19:52:07.827023Z",
-     "iopub.status.idle": "2023-07-26T19:52:08.756123Z",
-     "shell.execute_reply": "2023-07-26T19:52:08.755816Z"
+     "iopub.execute_input": "2023-07-31T02:19:59.781028Z",
+     "iopub.status.busy": "2023-07-31T02:19:59.780913Z",
+     "iopub.status.idle": "2023-07-31T02:20:00.729186Z",
+     "shell.execute_reply": "2023-07-31T02:20:00.728923Z"
     }
    },
    "outputs": [
@@ -7899,10 +7899,10 @@
    "id": "6bbeca8b",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:08.757792Z",
-     "iopub.status.busy": "2023-07-26T19:52:08.757678Z",
-     "iopub.status.idle": "2023-07-26T19:52:08.975269Z",
-     "shell.execute_reply": "2023-07-26T19:52:08.974926Z"
+     "iopub.execute_input": "2023-07-31T02:20:00.730857Z",
+     "iopub.status.busy": "2023-07-31T02:20:00.730752Z",
+     "iopub.status.idle": "2023-07-31T02:20:00.952615Z",
+     "shell.execute_reply": "2023-07-31T02:20:00.952298Z"
     }
    },
    "outputs": [
@@ -7937,10 +7937,10 @@
    "id": "1727f604",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:08.977026Z",
-     "iopub.status.busy": "2023-07-26T19:52:08.976905Z",
-     "iopub.status.idle": "2023-07-26T19:52:08.983076Z",
-     "shell.execute_reply": "2023-07-26T19:52:08.982779Z"
+     "iopub.execute_input": "2023-07-31T02:20:00.954233Z",
+     "iopub.status.busy": "2023-07-31T02:20:00.954113Z",
+     "iopub.status.idle": "2023-07-31T02:20:00.960067Z",
+     "shell.execute_reply": "2023-07-31T02:20:00.959797Z"
     }
    },
    "outputs": [
@@ -8049,10 +8049,10 @@
    "id": "39bf4091",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:52:08.984727Z",
-     "iopub.status.busy": "2023-07-26T19:52:08.984604Z",
-     "iopub.status.idle": "2023-07-26T19:52:08.988747Z",
-     "shell.execute_reply": "2023-07-26T19:52:08.988465Z"
+     "iopub.execute_input": "2023-07-31T02:20:00.961663Z",
+     "iopub.status.busy": "2023-07-31T02:20:00.961547Z",
+     "iopub.status.idle": "2023-07-31T02:20:00.965751Z",
+     "shell.execute_reply": "2023-07-31T02:20:00.965471Z"
     }
    },
    "outputs": [
diff --git a/Ch3-linreg-lab.ipynb b/Ch3-linreg-lab.ipynb
index be6a6c6..a70b9db 100644
--- a/Ch3-linreg-lab.ipynb
+++ b/Ch3-linreg-lab.ipynb
@@ -26,10 +26,10 @@
    "id": "ca5277a6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:32.624111Z",
-     "iopub.status.busy": "2023-07-26T19:25:32.623997Z",
-     "iopub.status.idle": "2023-07-26T19:25:33.256792Z",
-     "shell.execute_reply": "2023-07-26T19:25:33.256463Z"
+     "iopub.execute_input": "2023-07-31T02:14:37.098059Z",
+     "iopub.status.busy": "2023-07-31T02:14:37.097629Z",
+     "iopub.status.idle": "2023-07-31T02:14:37.599285Z",
+     "shell.execute_reply": "2023-07-31T02:14:37.598959Z"
     }
    },
    "outputs": [],
@@ -58,10 +58,10 @@
    "id": "675f24e6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:33.258895Z",
-     "iopub.status.busy": "2023-07-26T19:25:33.258739Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.130442Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.130023Z"
+     "iopub.execute_input": "2023-07-31T02:14:37.601365Z",
+     "iopub.status.busy": "2023-07-31T02:14:37.601115Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.189274Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.188923Z"
     }
    },
    "outputs": [],
@@ -90,10 +90,10 @@
    "id": "a0ee23c2",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.132813Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.132611Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.136142Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.135716Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.191201Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.191048Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.194262Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.194012Z"
     }
    },
    "outputs": [],
@@ -121,10 +121,10 @@
    "id": "b35eb887",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.138142Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.138002Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.430685Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.430139Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.195737Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.195636Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.348861Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.348443Z"
     }
    },
    "outputs": [],
@@ -153,10 +153,10 @@
    "id": "961908f7",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.433283Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.432983Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.437209Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.436904Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.351011Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.350696Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.354455Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.354198Z"
     }
    },
    "outputs": [
@@ -233,10 +233,10 @@
    "id": "662caa15",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.438902Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.438784Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.442144Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.441750Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.355929Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.355825Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.358768Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.358500Z"
     }
    },
    "outputs": [
@@ -436,10 +436,10 @@
    "id": "ebb7d126",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.443858Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.443746Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.446152Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.445877Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.360173Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.360095Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.362221Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.361978Z"
     }
    },
    "outputs": [
@@ -485,10 +485,10 @@
    "id": "1ea46cee",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.447642Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.447543Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.453065Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.452749Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.363717Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.363629Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.368806Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.368543Z"
     }
    },
    "outputs": [
@@ -529,10 +529,10 @@
    "id": "26c0ba88",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.454894Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.454762Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.461258Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.460900Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.370249Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.370153Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.375404Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.375134Z"
     }
    },
    "outputs": [
@@ -619,10 +619,10 @@
    "id": "d4dd511b",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.463337Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.463168Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.466052Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.465747Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.376828Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.376741Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.379010Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.378764Z"
     }
    },
    "outputs": [],
@@ -653,10 +653,10 @@
    "id": "eef9f8e3",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.467850Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.467730Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.537404Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.536985Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.380359Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.380275Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.437623Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.437333Z"
     }
    },
    "outputs": [
@@ -763,10 +763,10 @@
    "id": "557170d4",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.539321Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.539151Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.545291Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.544760Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.439217Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.439073Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.443761Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.443507Z"
     }
    },
    "outputs": [
@@ -857,10 +857,10 @@
    "id": "b83ec097",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.547368Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.547197Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.552566Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.552239Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.445159Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.445084Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.449274Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.449028Z"
     }
    },
    "outputs": [
@@ -960,10 +960,10 @@
    "id": "d4dce5f6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.555115Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.554960Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.566180Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.565715Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.450699Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.450620Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.459848Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.459594Z"
     }
    },
    "outputs": [
@@ -982,10 +982,10 @@
        "  <th>Method:</th>             <td>Least Squares</td>  <th>  F-statistic:       </th> <td>   601.6</td>\n",
        "</tr>\n",
        "<tr>\n",
-       "  <th>Date:</th>             <td>Wed, 26 Jul 2023</td> <th>  Prob (F-statistic):</th> <td>5.08e-88</td>\n",
+       "  <th>Date:</th>             <td>Sun, 30 Jul 2023</td> <th>  Prob (F-statistic):</th> <td>5.08e-88</td>\n",
        "</tr>\n",
        "<tr>\n",
-       "  <th>Time:</th>                 <td>15:25:34</td>     <th>  Log-Likelihood:    </th> <td> -1641.5</td>\n",
+       "  <th>Time:</th>                 <td>22:14:38</td>     <th>  Log-Likelihood:    </th> <td> -1641.5</td>\n",
        "</tr>\n",
        "<tr>\n",
        "  <th>No. Observations:</th>      <td>   506</td>      <th>  AIC:               </th> <td>   3287.</td>\n",
@@ -1033,8 +1033,8 @@
        "\\textbf{Dep. Variable:}    &       medv       & \\textbf{  R-squared:         } &     0.544   \\\\\n",
        "\\textbf{Model:}            &       OLS        & \\textbf{  Adj. R-squared:    } &     0.543   \\\\\n",
        "\\textbf{Method:}           &  Least Squares   & \\textbf{  F-statistic:       } &     601.6   \\\\\n",
-       "\\textbf{Date:}             & Wed, 26 Jul 2023 & \\textbf{  Prob (F-statistic):} &  5.08e-88   \\\\\n",
-       "\\textbf{Time:}             &     15:25:34     & \\textbf{  Log-Likelihood:    } &   -1641.5   \\\\\n",
+       "\\textbf{Date:}             & Sun, 30 Jul 2023 & \\textbf{  Prob (F-statistic):} &  5.08e-88   \\\\\n",
+       "\\textbf{Time:}             &     22:14:38     & \\textbf{  Log-Likelihood:    } &   -1641.5   \\\\\n",
        "\\textbf{No. Observations:} &         506      & \\textbf{  AIC:               } &     3287.   \\\\\n",
        "\\textbf{Df Residuals:}     &         504      & \\textbf{  BIC:               } &     3295.   \\\\\n",
        "\\textbf{Df Model:}         &           1      & \\textbf{                     } &             \\\\\n",
@@ -1069,8 +1069,8 @@
        "Dep. Variable:                   medv   R-squared:                       0.544\n",
        "Model:                            OLS   Adj. R-squared:                  0.543\n",
        "Method:                 Least Squares   F-statistic:                     601.6\n",
-       "Date:                Wed, 26 Jul 2023   Prob (F-statistic):           5.08e-88\n",
-       "Time:                        15:25:34   Log-Likelihood:                -1641.5\n",
+       "Date:                Sun, 30 Jul 2023   Prob (F-statistic):           5.08e-88\n",
+       "Time:                        22:14:38   Log-Likelihood:                -1641.5\n",
        "No. Observations:                 506   AIC:                             3287.\n",
        "Df Residuals:                     504   BIC:                             3295.\n",
        "Df Model:                           1                                         \n",
@@ -1116,10 +1116,10 @@
    "id": "a0edf555",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.568168Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.568039Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.571039Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.570733Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.461298Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.461215Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.463809Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.463563Z"
     }
    },
    "outputs": [
@@ -1158,10 +1158,10 @@
    "id": "fdc5a3f3",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.572640Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.572537Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.576490Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.576202Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.465231Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.465150Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.468821Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.468569Z"
     }
    },
    "outputs": [
@@ -1242,10 +1242,10 @@
    "id": "2c6acbf0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.578008Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.577908Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.581020Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.580700Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.470242Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.470162Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.472450Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.472199Z"
     }
    },
    "outputs": [
@@ -1279,10 +1279,10 @@
    "id": "c472ef33",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.582654Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.582544Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.585405Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.585114Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.473835Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.473762Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.476010Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.475756Z"
     }
    },
    "outputs": [
@@ -1317,10 +1317,10 @@
    "id": "3e2ffc7a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.587009Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.586896Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.589601Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.589306Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.477420Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.477344Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.479639Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.479371Z"
     }
    },
    "outputs": [
@@ -1376,10 +1376,10 @@
    "id": "4e56a1d3",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.591430Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.591295Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.593482Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.593195Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.481027Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.480949Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.482803Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.482553Z"
     }
    },
    "outputs": [],
@@ -1409,10 +1409,10 @@
    "id": "7f43ffe7",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.595153Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.595035Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.597180Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.596878Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.484281Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.484202Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.486090Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.485818Z"
     }
    },
    "outputs": [],
@@ -1448,10 +1448,10 @@
    "id": "3f7b67c9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.598798Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.598688Z",
-     "iopub.status.idle": "2023-07-26T19:25:34.877477Z",
-     "shell.execute_reply": "2023-07-26T19:25:34.876128Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.487491Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.487422Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.594015Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.593271Z"
     }
    },
    "outputs": [
@@ -1510,10 +1510,10 @@
    "id": "b35a2fd3",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:34.883302Z",
-     "iopub.status.busy": "2023-07-26T19:25:34.882776Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.016101Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.015775Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.597846Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.597587Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.716373Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.714325Z"
     }
    },
    "outputs": [
@@ -1557,10 +1557,10 @@
    "id": "82673b80",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.017807Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.017687Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.110396Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.110033Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.720789Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.720353Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.829000Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.828696Z"
     }
    },
    "outputs": [
@@ -1624,10 +1624,10 @@
    "id": "54596dc4",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.112294Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.112163Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.122706Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.122385Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.830833Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.830723Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.841593Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.841314Z"
     }
    },
    "outputs": [
@@ -1721,10 +1721,10 @@
    "id": "75c78238",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.124413Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.124297Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.126957Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.126656Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.843301Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.843182Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.845817Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.845544Z"
     }
    },
    "outputs": [
@@ -1761,10 +1761,10 @@
    "id": "f14b9e1a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.128696Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.128578Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.142971Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.142711Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.847324Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.847229Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.861947Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.861682Z"
     }
    },
    "outputs": [
@@ -1937,10 +1937,10 @@
    "id": "0a2714b1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.144443Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.144358Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.157818Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.157538Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.863470Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.863382Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.877283Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.877001Z"
     }
    },
    "outputs": [
@@ -2125,10 +2125,10 @@
    "id": "961c9128",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.159295Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.159206Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.165985Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.165716Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.878849Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.878736Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.885983Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.885709Z"
     }
    },
    "outputs": [
@@ -2256,10 +2256,10 @@
    "id": "4886f9e9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.168001Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.167692Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.172979Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.172702Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.887620Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.887509Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.892708Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.892460Z"
     }
    },
    "outputs": [],
@@ -2288,10 +2288,10 @@
    "id": "b54d2da1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.174746Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.174650Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.185699Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.185415Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.894293Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.894204Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.904859Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.904591Z"
     }
    },
    "outputs": [
@@ -2395,10 +2395,10 @@
    "id": "1b71633a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.187478Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.187331Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.198747Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.198420Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.906973Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.906845Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.918896Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.918604Z"
     }
    },
    "outputs": [
@@ -2512,10 +2512,10 @@
    "id": "6d30a306",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.200461Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.200335Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.205981Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.205669Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.920531Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.920425Z",
+     "iopub.status.idle": "2023-07-31T02:14:38.926296Z",
+     "shell.execute_reply": "2023-07-31T02:14:38.926036Z"
     }
    },
    "outputs": [
@@ -2621,17 +2621,17 @@
    "id": "9a5ec13f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.207713Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.207599Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.333108Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.332719Z"
+     "iopub.execute_input": "2023-07-31T02:14:38.927819Z",
+     "iopub.status.busy": "2023-07-31T02:14:38.927721Z",
+     "iopub.status.idle": "2023-07-31T02:14:39.027635Z",
+     "shell.execute_reply": "2023-07-31T02:14:39.027301Z"
     }
    },
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "<matplotlib.lines.Line2D at 0x17fb60110>"
+       "<matplotlib.lines.Line2D at 0x154a82f50>"
       ]
      },
      "execution_count": 34,
@@ -2686,10 +2686,10 @@
    "id": "09bbc0c6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.335029Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.334905Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.340911Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.340638Z"
+     "iopub.execute_input": "2023-07-31T02:14:39.029410Z",
+     "iopub.status.busy": "2023-07-31T02:14:39.029292Z",
+     "iopub.status.idle": "2023-07-31T02:14:39.034985Z",
+     "shell.execute_reply": "2023-07-31T02:14:39.034677Z"
     }
    },
    "outputs": [
@@ -2736,10 +2736,10 @@
    "id": "2e1da1fa",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:25:35.342743Z",
-     "iopub.status.busy": "2023-07-26T19:25:35.342451Z",
-     "iopub.status.idle": "2023-07-26T19:25:35.364483Z",
-     "shell.execute_reply": "2023-07-26T19:25:35.364162Z"
+     "iopub.execute_input": "2023-07-31T02:14:39.036665Z",
+     "iopub.status.busy": "2023-07-31T02:14:39.036539Z",
+     "iopub.status.idle": "2023-07-31T02:14:39.057391Z",
+     "shell.execute_reply": "2023-07-31T02:14:39.057099Z"
     }
    },
    "outputs": [
diff --git a/Ch5-resample-lab.ipynb b/Ch5-resample-lab.ipynb
index 35fc64d..04938f0 100644
--- a/Ch5-resample-lab.ipynb
+++ b/Ch5-resample-lab.ipynb
@@ -27,10 +27,10 @@
    "id": "60fad148",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:27.380786Z",
-     "iopub.status.busy": "2023-07-26T19:27:27.380697Z",
-     "iopub.status.idle": "2023-07-26T19:27:28.278575Z",
-     "shell.execute_reply": "2023-07-26T19:27:28.278161Z"
+     "iopub.execute_input": "2023-07-31T02:14:45.345335Z",
+     "iopub.status.busy": "2023-07-31T02:14:45.345019Z",
+     "iopub.status.idle": "2023-07-31T02:14:46.175442Z",
+     "shell.execute_reply": "2023-07-31T02:14:46.174945Z"
     }
    },
    "outputs": [],
@@ -58,10 +58,10 @@
    "id": "2478aeb4",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:28.280720Z",
-     "iopub.status.busy": "2023-07-26T19:27:28.280499Z",
-     "iopub.status.idle": "2023-07-26T19:27:28.282928Z",
-     "shell.execute_reply": "2023-07-26T19:27:28.282654Z"
+     "iopub.execute_input": "2023-07-31T02:14:46.177622Z",
+     "iopub.status.busy": "2023-07-31T02:14:46.177374Z",
+     "iopub.status.idle": "2023-07-31T02:14:46.179577Z",
+     "shell.execute_reply": "2023-07-31T02:14:46.179312Z"
     }
    },
    "outputs": [],
@@ -101,10 +101,10 @@
    "id": "99c95faf",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:28.284475Z",
-     "iopub.status.busy": "2023-07-26T19:27:28.284367Z",
-     "iopub.status.idle": "2023-07-26T19:27:28.289789Z",
-     "shell.execute_reply": "2023-07-26T19:27:28.289527Z"
+     "iopub.execute_input": "2023-07-31T02:14:46.181100Z",
+     "iopub.status.busy": "2023-07-31T02:14:46.180998Z",
+     "iopub.status.idle": "2023-07-31T02:14:46.187844Z",
+     "shell.execute_reply": "2023-07-31T02:14:46.187574Z"
     }
    },
    "outputs": [],
@@ -129,10 +129,10 @@
    "id": "41b0717d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:28.291330Z",
-     "iopub.status.busy": "2023-07-26T19:27:28.291243Z",
-     "iopub.status.idle": "2023-07-26T19:27:28.295395Z",
-     "shell.execute_reply": "2023-07-26T19:27:28.295119Z"
+     "iopub.execute_input": "2023-07-31T02:14:46.189426Z",
+     "iopub.status.busy": "2023-07-31T02:14:46.189344Z",
+     "iopub.status.idle": "2023-07-31T02:14:46.193204Z",
+     "shell.execute_reply": "2023-07-31T02:14:46.192935Z"
     }
    },
    "outputs": [],
@@ -159,10 +159,10 @@
    "id": "d7ea3c0d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:28.296942Z",
-     "iopub.status.busy": "2023-07-26T19:27:28.296835Z",
-     "iopub.status.idle": "2023-07-26T19:27:28.301179Z",
-     "shell.execute_reply": "2023-07-26T19:27:28.300912Z"
+     "iopub.execute_input": "2023-07-31T02:14:46.194683Z",
+     "iopub.status.busy": "2023-07-31T02:14:46.194591Z",
+     "iopub.status.idle": "2023-07-31T02:14:46.198962Z",
+     "shell.execute_reply": "2023-07-31T02:14:46.198705Z"
     }
    },
    "outputs": [
@@ -203,10 +203,10 @@
    "id": "a02a2d05",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:28.302713Z",
-     "iopub.status.busy": "2023-07-26T19:27:28.302612Z",
-     "iopub.status.idle": "2023-07-26T19:27:28.304865Z",
-     "shell.execute_reply": "2023-07-26T19:27:28.304576Z"
+     "iopub.execute_input": "2023-07-31T02:14:46.200468Z",
+     "iopub.status.busy": "2023-07-31T02:14:46.200388Z",
+     "iopub.status.idle": "2023-07-31T02:14:46.202553Z",
+     "shell.execute_reply": "2023-07-31T02:14:46.202309Z"
     }
    },
    "outputs": [],
@@ -246,10 +246,10 @@
    "id": "51d93dea",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:28.306297Z",
-     "iopub.status.busy": "2023-07-26T19:27:28.306199Z",
-     "iopub.status.idle": "2023-07-26T19:27:28.316464Z",
-     "shell.execute_reply": "2023-07-26T19:27:28.316226Z"
+     "iopub.execute_input": "2023-07-31T02:14:46.203992Z",
+     "iopub.status.busy": "2023-07-31T02:14:46.203891Z",
+     "iopub.status.idle": "2023-07-31T02:14:46.213999Z",
+     "shell.execute_reply": "2023-07-31T02:14:46.213730Z"
     }
    },
    "outputs": [
@@ -290,10 +290,10 @@
    "id": "83432f06",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:28.317859Z",
-     "iopub.status.busy": "2023-07-26T19:27:28.317761Z",
-     "iopub.status.idle": "2023-07-26T19:27:28.327969Z",
-     "shell.execute_reply": "2023-07-26T19:27:28.327728Z"
+     "iopub.execute_input": "2023-07-31T02:14:46.215488Z",
+     "iopub.status.busy": "2023-07-31T02:14:46.215401Z",
+     "iopub.status.idle": "2023-07-31T02:14:46.225856Z",
+     "shell.execute_reply": "2023-07-31T02:14:46.225598Z"
     }
    },
    "outputs": [
@@ -373,10 +373,10 @@
    "id": "bcfc433f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:28.329469Z",
-     "iopub.status.busy": "2023-07-26T19:27:28.329375Z",
-     "iopub.status.idle": "2023-07-26T19:27:28.889681Z",
-     "shell.execute_reply": "2023-07-26T19:27:28.889389Z"
+     "iopub.execute_input": "2023-07-31T02:14:46.227362Z",
+     "iopub.status.busy": "2023-07-31T02:14:46.227281Z",
+     "iopub.status.idle": "2023-07-31T02:14:46.785216Z",
+     "shell.execute_reply": "2023-07-31T02:14:46.784936Z"
     }
    },
    "outputs": [
@@ -440,10 +440,10 @@
    "id": "f951ffc8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:28.891330Z",
-     "iopub.status.busy": "2023-07-26T19:27:28.891213Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.477436Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.477151Z"
+     "iopub.execute_input": "2023-07-31T02:14:46.786874Z",
+     "iopub.status.busy": "2023-07-31T02:14:46.786773Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.387263Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.386958Z"
     }
    },
    "outputs": [
@@ -496,10 +496,10 @@
    "id": "e3610b5a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.479102Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.478988Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.481386Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.481131Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.388905Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.388796Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.391290Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.391034Z"
     }
    },
    "outputs": [
@@ -538,10 +538,10 @@
    "id": "1627460d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.482898Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.482801Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.504137Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.503881Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.392816Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.392715Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.414278Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.414015Z"
     }
    },
    "outputs": [
@@ -602,10 +602,10 @@
    "id": "8a636468",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.505802Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.505691Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.511368Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.511053Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.415780Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.415699Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.421148Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.420911Z"
     }
    },
    "outputs": [
@@ -645,10 +645,10 @@
    "id": "746aeccd",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.512965Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.512857Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.534338Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.534051Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.422643Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.422562Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.442227Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.441935Z"
     }
    },
    "outputs": [
@@ -719,10 +719,10 @@
    "id": "daa53d0c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.535910Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.535819Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.539127Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.538860Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.443783Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.443671Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.447006Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.446693Z"
     }
    },
    "outputs": [],
@@ -752,10 +752,10 @@
    "id": "578c9564",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.540591Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.540502Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.543480Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.543192Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.448908Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.448792Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.451963Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.451646Z"
     }
    },
    "outputs": [
@@ -791,10 +791,10 @@
    "id": "5754d6d5",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.544876Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.544785Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.548136Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.547873Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.453581Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.453484Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.457771Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.457529Z"
     }
    },
    "outputs": [
@@ -833,10 +833,10 @@
    "id": "8320a49c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.549543Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.549456Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.551815Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.551542Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.459153Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.459066Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.461370Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.461113Z"
     }
    },
    "outputs": [],
@@ -877,10 +877,10 @@
    "id": "e656aa1f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.553209Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.553118Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.837271Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.836983Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.462792Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.462698Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.745378Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.745111Z"
     }
    },
    "outputs": [
@@ -943,10 +943,10 @@
    "id": "c5d14195",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.838930Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.838793Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.840975Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.840683Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.746827Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.746750Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.748785Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.748522Z"
     }
    },
    "outputs": [],
@@ -977,10 +977,10 @@
    "id": "7e0523f0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.842453Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.842355Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.844134Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.843887Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.750186Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.750111Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.751794Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.751573Z"
     }
    },
    "outputs": [],
@@ -1009,10 +1009,10 @@
    "id": "32836e93",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.845545Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.845443Z",
-     "iopub.status.idle": "2023-07-26T19:27:29.860387Z",
-     "shell.execute_reply": "2023-07-26T19:27:29.860140Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.753215Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.753126Z",
+     "iopub.status.idle": "2023-07-31T02:14:47.768431Z",
+     "shell.execute_reply": "2023-07-31T02:14:47.768162Z"
     }
    },
    "outputs": [
@@ -1059,10 +1059,10 @@
    "id": "14ce3afa",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:29.861819Z",
-     "iopub.status.busy": "2023-07-26T19:27:29.861721Z",
-     "iopub.status.idle": "2023-07-26T19:27:31.013897Z",
-     "shell.execute_reply": "2023-07-26T19:27:31.013532Z"
+     "iopub.execute_input": "2023-07-31T02:14:47.769912Z",
+     "iopub.status.busy": "2023-07-31T02:14:47.769830Z",
+     "iopub.status.idle": "2023-07-31T02:14:48.926601Z",
+     "shell.execute_reply": "2023-07-31T02:14:48.926292Z"
     }
    },
    "outputs": [
@@ -1108,10 +1108,10 @@
    "id": "6b1213ac",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:31.015545Z",
-     "iopub.status.busy": "2023-07-26T19:27:31.015428Z",
-     "iopub.status.idle": "2023-07-26T19:27:31.077742Z",
-     "shell.execute_reply": "2023-07-26T19:27:31.077471Z"
+     "iopub.execute_input": "2023-07-31T02:14:48.928216Z",
+     "iopub.status.busy": "2023-07-31T02:14:48.928105Z",
+     "iopub.status.idle": "2023-07-31T02:14:48.985288Z",
+     "shell.execute_reply": "2023-07-31T02:14:48.985012Z"
     }
    },
    "outputs": [
@@ -1179,10 +1179,10 @@
    "id": "af99b778",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:31.079381Z",
-     "iopub.status.busy": "2023-07-26T19:27:31.079238Z",
-     "iopub.status.idle": "2023-07-26T19:27:32.849869Z",
-     "shell.execute_reply": "2023-07-26T19:27:32.849577Z"
+     "iopub.execute_input": "2023-07-31T02:14:48.986895Z",
+     "iopub.status.busy": "2023-07-31T02:14:48.986777Z",
+     "iopub.status.idle": "2023-07-31T02:14:50.767999Z",
+     "shell.execute_reply": "2023-07-31T02:14:50.767687Z"
     }
    },
    "outputs": [
@@ -1222,10 +1222,10 @@
    "id": "0206281e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:27:32.851478Z",
-     "iopub.status.busy": "2023-07-26T19:27:32.851368Z",
-     "iopub.status.idle": "2023-07-26T19:27:32.860591Z",
-     "shell.execute_reply": "2023-07-26T19:27:32.860334Z"
+     "iopub.execute_input": "2023-07-31T02:14:50.769670Z",
+     "iopub.status.busy": "2023-07-31T02:14:50.769556Z",
+     "iopub.status.idle": "2023-07-31T02:14:50.778195Z",
+     "shell.execute_reply": "2023-07-31T02:14:50.777948Z"
     }
    },
    "outputs": [
diff --git a/Ch6-varselect-lab.ipynb b/Ch6-varselect-lab.ipynb
index 7dd9e4a..9b0292d 100644
--- a/Ch6-varselect-lab.ipynb
+++ b/Ch6-varselect-lab.ipynb
@@ -25,10 +25,10 @@
    "id": "564883b2",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:32.688135Z",
-     "iopub.status.busy": "2023-07-26T19:29:32.688041Z",
-     "iopub.status.idle": "2023-07-26T19:29:35.292586Z",
-     "shell.execute_reply": "2023-07-26T19:29:35.292113Z"
+     "iopub.execute_input": "2023-07-31T02:14:51.941671Z",
+     "iopub.status.busy": "2023-07-31T02:14:51.941379Z",
+     "iopub.status.idle": "2023-07-31T02:14:52.976659Z",
+     "shell.execute_reply": "2023-07-31T02:14:52.976043Z"
     }
    },
    "outputs": [],
@@ -60,10 +60,10 @@
    "id": "9aa8d3ee",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:35.294849Z",
-     "iopub.status.busy": "2023-07-26T19:29:35.294558Z",
-     "iopub.status.idle": "2023-07-26T19:29:38.002209Z",
-     "shell.execute_reply": "2023-07-26T19:29:38.001861Z"
+     "iopub.execute_input": "2023-07-31T02:14:52.978919Z",
+     "iopub.status.busy": "2023-07-31T02:14:52.978625Z",
+     "iopub.status.idle": "2023-07-31T02:14:54.800247Z",
+     "shell.execute_reply": "2023-07-31T02:14:54.799907Z"
     }
    },
    "outputs": [
@@ -123,10 +123,10 @@
    "id": "05371e33",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:38.004121Z",
-     "iopub.status.busy": "2023-07-26T19:29:38.004003Z",
-     "iopub.status.idle": "2023-07-26T19:29:38.011598Z",
-     "shell.execute_reply": "2023-07-26T19:29:38.011327Z"
+     "iopub.execute_input": "2023-07-31T02:14:54.802107Z",
+     "iopub.status.busy": "2023-07-31T02:14:54.801990Z",
+     "iopub.status.idle": "2023-07-31T02:14:54.809259Z",
+     "shell.execute_reply": "2023-07-31T02:14:54.809012Z"
     }
    },
    "outputs": [
@@ -162,10 +162,10 @@
    "id": "aa5bc5b8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:38.013192Z",
-     "iopub.status.busy": "2023-07-26T19:29:38.013094Z",
-     "iopub.status.idle": "2023-07-26T19:29:38.016679Z",
-     "shell.execute_reply": "2023-07-26T19:29:38.016437Z"
+     "iopub.execute_input": "2023-07-31T02:14:54.810704Z",
+     "iopub.status.busy": "2023-07-31T02:14:54.810602Z",
+     "iopub.status.idle": "2023-07-31T02:14:54.813996Z",
+     "shell.execute_reply": "2023-07-31T02:14:54.813735Z"
     }
    },
    "outputs": [
@@ -202,10 +202,10 @@
    "id": "10494837",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:38.018202Z",
-     "iopub.status.busy": "2023-07-26T19:29:38.018107Z",
-     "iopub.status.idle": "2023-07-26T19:29:38.020134Z",
-     "shell.execute_reply": "2023-07-26T19:29:38.019872Z"
+     "iopub.execute_input": "2023-07-31T02:14:54.815512Z",
+     "iopub.status.busy": "2023-07-31T02:14:54.815419Z",
+     "iopub.status.idle": "2023-07-31T02:14:54.817462Z",
+     "shell.execute_reply": "2023-07-31T02:14:54.817200Z"
     }
    },
    "outputs": [],
@@ -233,10 +233,10 @@
    "id": "b8173cef",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:38.021819Z",
-     "iopub.status.busy": "2023-07-26T19:29:38.021680Z",
-     "iopub.status.idle": "2023-07-26T19:29:38.035269Z",
-     "shell.execute_reply": "2023-07-26T19:29:38.034967Z"
+     "iopub.execute_input": "2023-07-31T02:14:54.818903Z",
+     "iopub.status.busy": "2023-07-31T02:14:54.818801Z",
+     "iopub.status.idle": "2023-07-31T02:14:54.831727Z",
+     "shell.execute_reply": "2023-07-31T02:14:54.831458Z"
     }
    },
    "outputs": [],
@@ -261,10 +261,10 @@
    "id": "0cc8d7bd",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:38.037153Z",
-     "iopub.status.busy": "2023-07-26T19:29:38.037060Z",
-     "iopub.status.idle": "2023-07-26T19:29:38.038929Z",
-     "shell.execute_reply": "2023-07-26T19:29:38.038618Z"
+     "iopub.execute_input": "2023-07-31T02:14:54.833260Z",
+     "iopub.status.busy": "2023-07-31T02:14:54.833174Z",
+     "iopub.status.idle": "2023-07-31T02:14:54.835084Z",
+     "shell.execute_reply": "2023-07-31T02:14:54.834749Z"
     }
    },
    "outputs": [],
@@ -298,10 +298,10 @@
    "id": "440b4c50",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:38.041257Z",
-     "iopub.status.busy": "2023-07-26T19:29:38.041110Z",
-     "iopub.status.idle": "2023-07-26T19:29:38.043209Z",
-     "shell.execute_reply": "2023-07-26T19:29:38.042923Z"
+     "iopub.execute_input": "2023-07-31T02:14:54.836548Z",
+     "iopub.status.busy": "2023-07-31T02:14:54.836467Z",
+     "iopub.status.idle": "2023-07-31T02:14:54.838223Z",
+     "shell.execute_reply": "2023-07-31T02:14:54.837976Z"
     }
    },
    "outputs": [],
@@ -329,10 +329,10 @@
    "id": "b33a8617",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:38.044804Z",
-     "iopub.status.busy": "2023-07-26T19:29:38.044694Z",
-     "iopub.status.idle": "2023-07-26T19:29:38.735481Z",
-     "shell.execute_reply": "2023-07-26T19:29:38.735166Z"
+     "iopub.execute_input": "2023-07-31T02:14:54.839611Z",
+     "iopub.status.busy": "2023-07-31T02:14:54.839537Z",
+     "iopub.status.idle": "2023-07-31T02:14:55.493223Z",
+     "shell.execute_reply": "2023-07-31T02:14:55.492936Z"
     }
    },
    "outputs": [
@@ -386,10 +386,10 @@
    "id": "e7f554cf",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:38.737187Z",
-     "iopub.status.busy": "2023-07-26T19:29:38.737059Z",
-     "iopub.status.idle": "2023-07-26T19:29:39.144929Z",
-     "shell.execute_reply": "2023-07-26T19:29:39.144640Z"
+     "iopub.execute_input": "2023-07-31T02:14:55.494899Z",
+     "iopub.status.busy": "2023-07-31T02:14:55.494782Z",
+     "iopub.status.idle": "2023-07-31T02:14:55.903007Z",
+     "shell.execute_reply": "2023-07-31T02:14:55.902723Z"
     }
    },
    "outputs": [
@@ -452,10 +452,10 @@
    "id": "fb7091b8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:39.146740Z",
-     "iopub.status.busy": "2023-07-26T19:29:39.146614Z",
-     "iopub.status.idle": "2023-07-26T19:29:39.148552Z",
-     "shell.execute_reply": "2023-07-26T19:29:39.148289Z"
+     "iopub.execute_input": "2023-07-31T02:14:55.904614Z",
+     "iopub.status.busy": "2023-07-31T02:14:55.904500Z",
+     "iopub.status.idle": "2023-07-31T02:14:55.906419Z",
+     "shell.execute_reply": "2023-07-31T02:14:55.906168Z"
     }
    },
    "outputs": [],
@@ -480,10 +480,10 @@
    "id": "56adc728",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:39.150092Z",
-     "iopub.status.busy": "2023-07-26T19:29:39.149998Z",
-     "iopub.status.idle": "2023-07-26T19:29:39.549046Z",
-     "shell.execute_reply": "2023-07-26T19:29:39.548679Z"
+     "iopub.execute_input": "2023-07-31T02:14:55.908048Z",
+     "iopub.status.busy": "2023-07-31T02:14:55.907949Z",
+     "iopub.status.idle": "2023-07-31T02:14:56.300215Z",
+     "shell.execute_reply": "2023-07-31T02:14:56.299939Z"
     }
    },
    "outputs": [
@@ -524,10 +524,10 @@
    "id": "387267d9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:39.550767Z",
-     "iopub.status.busy": "2023-07-26T19:29:39.550657Z",
-     "iopub.status.idle": "2023-07-26T19:29:39.747667Z",
-     "shell.execute_reply": "2023-07-26T19:29:39.746890Z"
+     "iopub.execute_input": "2023-07-31T02:14:56.301852Z",
+     "iopub.status.busy": "2023-07-31T02:14:56.301734Z",
+     "iopub.status.idle": "2023-07-31T02:14:56.487394Z",
+     "shell.execute_reply": "2023-07-31T02:14:56.486667Z"
     }
    },
    "outputs": [
@@ -592,10 +592,10 @@
    "id": "0047ba88",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:39.753242Z",
-     "iopub.status.busy": "2023-07-26T19:29:39.752751Z",
-     "iopub.status.idle": "2023-07-26T19:29:41.762607Z",
-     "shell.execute_reply": "2023-07-26T19:29:41.762318Z"
+     "iopub.execute_input": "2023-07-31T02:14:56.491760Z",
+     "iopub.status.busy": "2023-07-31T02:14:56.491487Z",
+     "iopub.status.idle": "2023-07-31T02:14:58.464393Z",
+     "shell.execute_reply": "2023-07-31T02:14:58.464098Z"
     }
    },
    "outputs": [
@@ -644,10 +644,10 @@
    "id": "27b0eb63",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:41.764308Z",
-     "iopub.status.busy": "2023-07-26T19:29:41.764195Z",
-     "iopub.status.idle": "2023-07-26T19:29:41.767424Z",
-     "shell.execute_reply": "2023-07-26T19:29:41.767146Z"
+     "iopub.execute_input": "2023-07-31T02:14:58.466035Z",
+     "iopub.status.busy": "2023-07-31T02:14:58.465931Z",
+     "iopub.status.idle": "2023-07-31T02:14:58.469179Z",
+     "shell.execute_reply": "2023-07-31T02:14:58.468827Z"
     }
    },
    "outputs": [
@@ -686,10 +686,10 @@
    "id": "a45fe587",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:41.768951Z",
-     "iopub.status.busy": "2023-07-26T19:29:41.768862Z",
-     "iopub.status.idle": "2023-07-26T19:29:41.856384Z",
-     "shell.execute_reply": "2023-07-26T19:29:41.856056Z"
+     "iopub.execute_input": "2023-07-31T02:14:58.470717Z",
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+     "iopub.status.idle": "2023-07-31T02:14:58.557218Z",
+     "shell.execute_reply": "2023-07-31T02:14:58.556947Z"
     }
    },
    "outputs": [
@@ -732,10 +732,10 @@
    "id": "c71c2079",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:41.858093Z",
-     "iopub.status.busy": "2023-07-26T19:29:41.857972Z",
-     "iopub.status.idle": "2023-07-26T19:29:42.250753Z",
-     "shell.execute_reply": "2023-07-26T19:29:42.250451Z"
+     "iopub.execute_input": "2023-07-31T02:14:58.558792Z",
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+     "iopub.status.idle": "2023-07-31T02:14:58.952107Z",
+     "shell.execute_reply": "2023-07-31T02:14:58.951723Z"
     }
    },
    "outputs": [],
@@ -765,10 +765,10 @@
    "id": "2ff34edf",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:42.252468Z",
-     "iopub.status.busy": "2023-07-26T19:29:42.252383Z",
-     "iopub.status.idle": "2023-07-26T19:29:42.344240Z",
-     "shell.execute_reply": "2023-07-26T19:29:42.343919Z"
+     "iopub.execute_input": "2023-07-31T02:14:58.953820Z",
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+     "shell.execute_reply": "2023-07-31T02:14:59.042743Z"
     }
    },
    "outputs": [
@@ -817,10 +817,10 @@
    "id": "845f3fa0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:42.345827Z",
-     "iopub.status.busy": "2023-07-26T19:29:42.345734Z",
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-     "shell.execute_reply": "2023-07-26T19:29:42.357099Z"
+     "iopub.execute_input": "2023-07-31T02:14:59.044595Z",
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+     "iopub.status.idle": "2023-07-31T02:14:59.055901Z",
+     "shell.execute_reply": "2023-07-31T02:14:59.055632Z"
     }
    },
    "outputs": [],
@@ -845,10 +845,10 @@
    "id": "e9f943e7",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:42.358881Z",
-     "iopub.status.busy": "2023-07-26T19:29:42.358799Z",
-     "iopub.status.idle": "2023-07-26T19:29:47.993575Z",
-     "shell.execute_reply": "2023-07-26T19:29:47.993217Z"
+     "iopub.execute_input": "2023-07-31T02:14:59.057369Z",
+     "iopub.status.busy": "2023-07-31T02:14:59.057289Z",
+     "iopub.status.idle": "2023-07-31T02:15:01.228717Z",
+     "shell.execute_reply": "2023-07-31T02:15:01.228431Z"
     }
    },
    "outputs": [
@@ -900,10 +900,10 @@
    "id": "657ac171",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:47.995249Z",
-     "iopub.status.busy": "2023-07-26T19:29:47.995133Z",
-     "iopub.status.idle": "2023-07-26T19:29:47.997730Z",
-     "shell.execute_reply": "2023-07-26T19:29:47.997457Z"
+     "iopub.execute_input": "2023-07-31T02:15:01.230368Z",
+     "iopub.status.busy": "2023-07-31T02:15:01.230274Z",
+     "iopub.status.idle": "2023-07-31T02:15:01.232838Z",
+     "shell.execute_reply": "2023-07-31T02:15:01.232586Z"
     }
    },
    "outputs": [
@@ -964,10 +964,10 @@
    "id": "e576ad54",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:47.999187Z",
-     "iopub.status.busy": "2023-07-26T19:29:47.999082Z",
-     "iopub.status.idle": "2023-07-26T19:29:48.070996Z",
-     "shell.execute_reply": "2023-07-26T19:29:48.070747Z"
+     "iopub.execute_input": "2023-07-31T02:15:01.234342Z",
+     "iopub.status.busy": "2023-07-31T02:15:01.234246Z",
+     "iopub.status.idle": "2023-07-31T02:15:01.302141Z",
+     "shell.execute_reply": "2023-07-31T02:15:01.301874Z"
     }
    },
    "outputs": [
@@ -1430,10 +1430,10 @@
    "id": "3ef15192",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:48.072860Z",
-     "iopub.status.busy": "2023-07-26T19:29:48.072754Z",
-     "iopub.status.idle": "2023-07-26T19:29:48.082472Z",
-     "shell.execute_reply": "2023-07-26T19:29:48.082220Z"
+     "iopub.execute_input": "2023-07-31T02:15:01.303943Z",
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+     "iopub.status.idle": "2023-07-31T02:15:01.313074Z",
+     "shell.execute_reply": "2023-07-31T02:15:01.312802Z"
     }
    },
    "outputs": [
@@ -1852,10 +1852,10 @@
    "id": "40b67c85",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:48.083948Z",
-     "iopub.status.busy": "2023-07-26T19:29:48.083852Z",
-     "iopub.status.idle": "2023-07-26T19:29:48.295490Z",
-     "shell.execute_reply": "2023-07-26T19:29:48.295144Z"
+     "iopub.execute_input": "2023-07-31T02:15:01.314467Z",
+     "iopub.status.busy": "2023-07-31T02:15:01.314375Z",
+     "iopub.status.idle": "2023-07-31T02:15:01.569812Z",
+     "shell.execute_reply": "2023-07-31T02:15:01.569478Z"
     }
    },
    "outputs": [
@@ -1896,10 +1896,10 @@
    "id": "d14bd86c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:48.297203Z",
-     "iopub.status.busy": "2023-07-26T19:29:48.297077Z",
-     "iopub.status.idle": "2023-07-26T19:29:48.302189Z",
-     "shell.execute_reply": "2023-07-26T19:29:48.301932Z"
+     "iopub.execute_input": "2023-07-31T02:15:01.571580Z",
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+     "iopub.status.idle": "2023-07-31T02:15:01.576721Z",
+     "shell.execute_reply": "2023-07-31T02:15:01.576433Z"
     }
    },
    "outputs": [
@@ -1953,10 +1953,10 @@
    "id": "759e215a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:48.303804Z",
-     "iopub.status.busy": "2023-07-26T19:29:48.303691Z",
-     "iopub.status.idle": "2023-07-26T19:29:48.305916Z",
-     "shell.execute_reply": "2023-07-26T19:29:48.305624Z"
+     "iopub.execute_input": "2023-07-31T02:15:01.578217Z",
+     "iopub.status.busy": "2023-07-31T02:15:01.578101Z",
+     "iopub.status.idle": "2023-07-31T02:15:01.580441Z",
+     "shell.execute_reply": "2023-07-31T02:15:01.580160Z"
     }
    },
    "outputs": [
@@ -1991,10 +1991,10 @@
    "id": "b58d5ccb",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:48.307347Z",
-     "iopub.status.busy": "2023-07-26T19:29:48.307249Z",
-     "iopub.status.idle": "2023-07-26T19:29:48.309462Z",
-     "shell.execute_reply": "2023-07-26T19:29:48.309210Z"
+     "iopub.execute_input": "2023-07-31T02:15:01.581984Z",
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+     "iopub.status.idle": "2023-07-31T02:15:01.584293Z",
+     "shell.execute_reply": "2023-07-31T02:15:01.584014Z"
     }
    },
    "outputs": [
@@ -2031,10 +2031,10 @@
    "id": "74b5cae2",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:48.310905Z",
-     "iopub.status.busy": "2023-07-26T19:29:48.310803Z",
-     "iopub.status.idle": "2023-07-26T19:29:48.323252Z",
-     "shell.execute_reply": "2023-07-26T19:29:48.322944Z"
+     "iopub.execute_input": "2023-07-31T02:15:01.585818Z",
+     "iopub.status.busy": "2023-07-31T02:15:01.585716Z",
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+     "shell.execute_reply": "2023-07-31T02:15:01.597752Z"
     }
    },
    "outputs": [
@@ -2084,10 +2084,10 @@
    "id": "a89989c3",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:48.324781Z",
-     "iopub.status.busy": "2023-07-26T19:29:48.324689Z",
-     "iopub.status.idle": "2023-07-26T19:29:48.327207Z",
-     "shell.execute_reply": "2023-07-26T19:29:48.326929Z"
+     "iopub.execute_input": "2023-07-31T02:15:01.599593Z",
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+     "iopub.status.idle": "2023-07-31T02:15:01.601548Z",
+     "shell.execute_reply": "2023-07-31T02:15:01.601293Z"
     }
    },
    "outputs": [
@@ -2130,10 +2130,10 @@
    "id": "3eb41945",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:48.328714Z",
-     "iopub.status.busy": "2023-07-26T19:29:48.328621Z",
-     "iopub.status.idle": "2023-07-26T19:29:48.336141Z",
-     "shell.execute_reply": "2023-07-26T19:29:48.335845Z"
+     "iopub.execute_input": "2023-07-31T02:15:01.603062Z",
+     "iopub.status.busy": "2023-07-31T02:15:01.602986Z",
+     "iopub.status.idle": "2023-07-31T02:15:01.610209Z",
+     "shell.execute_reply": "2023-07-31T02:15:01.609888Z"
     }
    },
    "outputs": [
@@ -2188,10 +2188,10 @@
    "id": "635bc363",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:48.337720Z",
-     "iopub.status.busy": "2023-07-26T19:29:48.337601Z",
-     "iopub.status.idle": "2023-07-26T19:29:48.345014Z",
-     "shell.execute_reply": "2023-07-26T19:29:48.344722Z"
+     "iopub.execute_input": "2023-07-31T02:15:01.611782Z",
+     "iopub.status.busy": "2023-07-31T02:15:01.611662Z",
+     "iopub.status.idle": "2023-07-31T02:15:01.619073Z",
+     "shell.execute_reply": "2023-07-31T02:15:01.618775Z"
     }
    },
    "outputs": [
@@ -2244,10 +2244,10 @@
    "id": "e117267f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:48.346567Z",
-     "iopub.status.busy": "2023-07-26T19:29:48.346463Z",
-     "iopub.status.idle": "2023-07-26T19:29:48.811069Z",
-     "shell.execute_reply": "2023-07-26T19:29:48.810801Z"
+     "iopub.execute_input": "2023-07-31T02:15:01.620657Z",
+     "iopub.status.busy": "2023-07-31T02:15:01.620538Z",
+     "iopub.status.idle": "2023-07-31T02:15:02.079833Z",
+     "shell.execute_reply": "2023-07-31T02:15:02.079544Z"
     }
    },
    "outputs": [
@@ -2501,10 +2501,10 @@
    "id": "0037e9e4",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:48.812716Z",
-     "iopub.status.busy": "2023-07-26T19:29:48.812609Z",
-     "iopub.status.idle": "2023-07-26T19:29:51.937843Z",
-     "shell.execute_reply": "2023-07-26T19:29:51.937553Z"
+     "iopub.execute_input": "2023-07-31T02:15:02.081467Z",
+     "iopub.status.busy": "2023-07-31T02:15:02.081358Z",
+     "iopub.status.idle": "2023-07-31T02:15:05.191496Z",
+     "shell.execute_reply": "2023-07-31T02:15:05.191210Z"
     }
    },
    "outputs": [
@@ -3558,10 +3558,10 @@
    "id": "71f0f5c5",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:51.939433Z",
-     "iopub.status.busy": "2023-07-26T19:29:51.939325Z",
-     "iopub.status.idle": "2023-07-26T19:29:52.041292Z",
-     "shell.execute_reply": "2023-07-26T19:29:52.040967Z"
+     "iopub.execute_input": "2023-07-31T02:15:05.193084Z",
+     "iopub.status.busy": "2023-07-31T02:15:05.192970Z",
+     "iopub.status.idle": "2023-07-31T02:15:05.291368Z",
+     "shell.execute_reply": "2023-07-31T02:15:05.291066Z"
     }
    },
    "outputs": [
@@ -3602,10 +3602,10 @@
    "id": "fb265379",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:52.042970Z",
-     "iopub.status.busy": "2023-07-26T19:29:52.042838Z",
-     "iopub.status.idle": "2023-07-26T19:29:55.163123Z",
-     "shell.execute_reply": "2023-07-26T19:29:55.162863Z"
+     "iopub.execute_input": "2023-07-31T02:15:05.293023Z",
+     "iopub.status.busy": "2023-07-31T02:15:05.292897Z",
+     "iopub.status.idle": "2023-07-31T02:15:08.398570Z",
+     "shell.execute_reply": "2023-07-31T02:15:08.398296Z"
     }
    },
    "outputs": [
@@ -4692,10 +4692,10 @@
    "id": "79616f48",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:55.164735Z",
-     "iopub.status.busy": "2023-07-26T19:29:55.164633Z",
-     "iopub.status.idle": "2023-07-26T19:29:55.260392Z",
-     "shell.execute_reply": "2023-07-26T19:29:55.260104Z"
+     "iopub.execute_input": "2023-07-31T02:15:08.400177Z",
+     "iopub.status.busy": "2023-07-31T02:15:08.400068Z",
+     "iopub.status.idle": "2023-07-31T02:15:08.495262Z",
+     "shell.execute_reply": "2023-07-31T02:15:08.494931Z"
     }
    },
    "outputs": [
@@ -4740,10 +4740,10 @@
    "id": "11e55883",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:55.262198Z",
-     "iopub.status.busy": "2023-07-26T19:29:55.262073Z",
-     "iopub.status.idle": "2023-07-26T19:29:55.617242Z",
-     "shell.execute_reply": "2023-07-26T19:29:55.616916Z"
+     "iopub.execute_input": "2023-07-31T02:15:08.496994Z",
+     "iopub.status.busy": "2023-07-31T02:15:08.496872Z",
+     "iopub.status.idle": "2023-07-31T02:15:08.840479Z",
+     "shell.execute_reply": "2023-07-31T02:15:08.840173Z"
     }
    },
    "outputs": [
@@ -6843,10 +6843,10 @@
    "id": "d107f961",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:55.618934Z",
-     "iopub.status.busy": "2023-07-26T19:29:55.618823Z",
-     "iopub.status.idle": "2023-07-26T19:29:55.720252Z",
-     "shell.execute_reply": "2023-07-26T19:29:55.719855Z"
+     "iopub.execute_input": "2023-07-31T02:15:08.842157Z",
+     "iopub.status.busy": "2023-07-31T02:15:08.842034Z",
+     "iopub.status.idle": "2023-07-31T02:15:08.943297Z",
+     "shell.execute_reply": "2023-07-31T02:15:08.943005Z"
     }
    },
    "outputs": [
@@ -6890,10 +6890,10 @@
    "id": "21d65d1f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:55.722001Z",
-     "iopub.status.busy": "2023-07-26T19:29:55.721876Z",
-     "iopub.status.idle": "2023-07-26T19:29:55.724419Z",
-     "shell.execute_reply": "2023-07-26T19:29:55.724119Z"
+     "iopub.execute_input": "2023-07-31T02:15:08.945015Z",
+     "iopub.status.busy": "2023-07-31T02:15:08.944889Z",
+     "iopub.status.idle": "2023-07-31T02:15:08.947334Z",
+     "shell.execute_reply": "2023-07-31T02:15:08.947057Z"
     }
    },
    "outputs": [
@@ -6929,10 +6929,10 @@
    "id": "11373de9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:55.725971Z",
-     "iopub.status.busy": "2023-07-26T19:29:55.725858Z",
-     "iopub.status.idle": "2023-07-26T19:29:55.728165Z",
-     "shell.execute_reply": "2023-07-26T19:29:55.727892Z"
+     "iopub.execute_input": "2023-07-31T02:15:08.948924Z",
+     "iopub.status.busy": "2023-07-31T02:15:08.948820Z",
+     "iopub.status.idle": "2023-07-31T02:15:08.951102Z",
+     "shell.execute_reply": "2023-07-31T02:15:08.950833Z"
     }
    },
    "outputs": [
@@ -6993,10 +6993,10 @@
    "id": "72181964",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:55.729917Z",
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-     "shell.execute_reply": "2023-07-26T19:29:55.731823Z"
+     "iopub.execute_input": "2023-07-31T02:15:08.952771Z",
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+     "iopub.status.idle": "2023-07-31T02:15:08.954928Z",
+     "shell.execute_reply": "2023-07-31T02:15:08.954666Z"
     }
    },
    "outputs": [],
@@ -7020,10 +7020,10 @@
    "id": "4c3054b5",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:55.733641Z",
-     "iopub.status.busy": "2023-07-26T19:29:55.733524Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.059121Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.058772Z"
+     "iopub.execute_input": "2023-07-31T02:15:08.956479Z",
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+     "iopub.status.idle": "2023-07-31T02:15:09.272036Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.271767Z"
     }
    },
    "outputs": [
@@ -9077,10 +9077,10 @@
    "id": "72bb0c1d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.061816Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.061667Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.120080Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.119801Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.274161Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.274043Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.329832Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.329579Z"
     }
    },
    "outputs": [
@@ -9112,10 +9112,10 @@
    "id": "69adc7ac",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.121630Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.121547Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.132451Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.132184Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.331247Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.331165Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.341815Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.341560Z"
     }
    },
    "outputs": [],
@@ -9145,10 +9145,10 @@
    "id": "2aa75789",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.133919Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.133841Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.301301Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.300888Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.343254Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.343175Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.510403Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.510040Z"
     }
    },
    "outputs": [
@@ -9187,10 +9187,10 @@
    "id": "e38c9bed",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.303031Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.302905Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.305467Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.305207Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.512076Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.511953Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.514391Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.514111Z"
     }
    },
    "outputs": [
@@ -9223,10 +9223,10 @@
    "id": "53c42724",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.307156Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.307031Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.410756Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.410469Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.515991Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.515876Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.620734Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.620427Z"
     }
    },
    "outputs": [
@@ -9270,10 +9270,10 @@
    "id": "5f4942ba",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.412348Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.412246Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.414506Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.414241Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.622460Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.622343Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.624897Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.624611Z"
     }
    },
    "outputs": [
@@ -9340,10 +9340,10 @@
    "id": "72a876bb",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.416085Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.415984Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.420453Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.420184Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.626555Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.626439Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.631082Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.630769Z"
     }
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    "outputs": [
@@ -9384,10 +9384,10 @@
    "id": "e0e821c6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.421899Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.421797Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.425543Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.425276Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.632552Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.632453Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.636255Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.636009Z"
     }
    },
    "outputs": [
@@ -9427,10 +9427,10 @@
    "id": "1ac6886c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.427046Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.426960Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.547023Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.546651Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.637683Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.637599Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.756903Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.756621Z"
     }
    },
    "outputs": [
@@ -9487,10 +9487,10 @@
    "id": "5e0c5a96",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.548687Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.548580Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.648054Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.647754Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.758614Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.758500Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.854740Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.854449Z"
     }
    },
    "outputs": [
@@ -9542,10 +9542,10 @@
    "id": "9df0fb7f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.649875Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.649752Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.655697Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.655429Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.856396Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.856286Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.862198Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.861920Z"
     }
    },
    "outputs": [
@@ -9587,10 +9587,10 @@
    "id": "458c21a4",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.657281Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.657168Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.659596Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.659278Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.863785Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.863668Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.866170Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.865877Z"
     }
    },
    "outputs": [
@@ -9638,10 +9638,10 @@
    "id": "f49d464e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.661191Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.661089Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.664609Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.664343Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.867758Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.867639Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.871140Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.870852Z"
     }
    },
    "outputs": [
@@ -9680,10 +9680,10 @@
    "id": "8e118b5b",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.666167Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.666047Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.772539Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.772261Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.872678Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.872592Z",
+     "iopub.status.idle": "2023-07-31T02:15:09.978064Z",
+     "shell.execute_reply": "2023-07-31T02:15:09.977780Z"
     }
    },
    "outputs": [
@@ -9733,10 +9733,10 @@
    "id": "0f98407c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:56.774123Z",
-     "iopub.status.busy": "2023-07-26T19:29:56.774035Z",
-     "iopub.status.idle": "2023-07-26T19:29:56.870929Z",
-     "shell.execute_reply": "2023-07-26T19:29:56.870625Z"
+     "iopub.execute_input": "2023-07-31T02:15:09.980000Z",
+     "iopub.status.busy": "2023-07-31T02:15:09.979873Z",
+     "iopub.status.idle": "2023-07-31T02:15:10.077523Z",
+     "shell.execute_reply": "2023-07-31T02:15:10.077240Z"
     }
    },
    "outputs": [
diff --git a/Ch7-nonlin-lab.ipynb b/Ch7-nonlin-lab.ipynb
index 0a5b0a7..a8764ab 100644
--- a/Ch7-nonlin-lab.ipynb
+++ b/Ch7-nonlin-lab.ipynb
@@ -20,10 +20,10 @@
    "id": "77af2dc4",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:58.548566Z",
-     "iopub.status.busy": "2023-07-26T19:29:58.548460Z",
-     "iopub.status.idle": "2023-07-26T19:29:59.862755Z",
-     "shell.execute_reply": "2023-07-26T19:29:59.862359Z"
+     "iopub.execute_input": "2023-07-31T02:15:11.685667Z",
+     "iopub.status.busy": "2023-07-31T02:15:11.685420Z",
+     "iopub.status.idle": "2023-07-31T02:15:12.757566Z",
+     "shell.execute_reply": "2023-07-31T02:15:12.757160Z"
     }
    },
    "outputs": [],
@@ -54,10 +54,10 @@
    "id": "b57d1d51",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:59.865138Z",
-     "iopub.status.busy": "2023-07-26T19:29:59.864879Z",
-     "iopub.status.idle": "2023-07-26T19:29:59.880281Z",
-     "shell.execute_reply": "2023-07-26T19:29:59.879996Z"
+     "iopub.execute_input": "2023-07-31T02:15:12.759746Z",
+     "iopub.status.busy": "2023-07-31T02:15:12.759462Z",
+     "iopub.status.idle": "2023-07-31T02:15:12.776000Z",
+     "shell.execute_reply": "2023-07-31T02:15:12.775719Z"
     }
    },
    "outputs": [],
@@ -93,10 +93,10 @@
    "id": "65f0e562",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:59.881915Z",
-     "iopub.status.busy": "2023-07-26T19:29:59.881815Z",
-     "iopub.status.idle": "2023-07-26T19:29:59.890148Z",
-     "shell.execute_reply": "2023-07-26T19:29:59.889891Z"
+     "iopub.execute_input": "2023-07-31T02:15:12.777609Z",
+     "iopub.status.busy": "2023-07-31T02:15:12.777504Z",
+     "iopub.status.idle": "2023-07-31T02:15:12.785974Z",
+     "shell.execute_reply": "2023-07-31T02:15:12.785723Z"
     }
    },
    "outputs": [],
@@ -123,10 +123,10 @@
    "id": "a391fae6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:59.892002Z",
-     "iopub.status.busy": "2023-07-26T19:29:59.891898Z",
-     "iopub.status.idle": "2023-07-26T19:29:59.990382Z",
-     "shell.execute_reply": "2023-07-26T19:29:59.985457Z"
+     "iopub.execute_input": "2023-07-31T02:15:12.787544Z",
+     "iopub.status.busy": "2023-07-31T02:15:12.787443Z",
+     "iopub.status.idle": "2023-07-31T02:15:12.860682Z",
+     "shell.execute_reply": "2023-07-31T02:15:12.859957Z"
     }
    },
    "outputs": [
@@ -254,10 +254,10 @@
    "id": "d672f40e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:29:59.995236Z",
-     "iopub.status.busy": "2023-07-26T19:29:59.994589Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.021871Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.000494Z"
+     "iopub.execute_input": "2023-07-31T02:15:12.865379Z",
+     "iopub.status.busy": "2023-07-31T02:15:12.865014Z",
+     "iopub.status.idle": "2023-07-31T02:15:12.871120Z",
+     "shell.execute_reply": "2023-07-31T02:15:12.870397Z"
     }
    },
    "outputs": [],
@@ -289,10 +289,10 @@
    "id": "56174265",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.027847Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.027510Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.034738Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.033444Z"
+     "iopub.execute_input": "2023-07-31T02:15:12.876622Z",
+     "iopub.status.busy": "2023-07-31T02:15:12.876187Z",
+     "iopub.status.idle": "2023-07-31T02:15:12.902509Z",
+     "shell.execute_reply": "2023-07-31T02:15:12.900607Z"
     }
    },
    "outputs": [],
@@ -345,10 +345,10 @@
    "id": "1a10422f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.043053Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.042526Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.265424Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.262674Z"
+     "iopub.execute_input": "2023-07-31T02:15:12.906678Z",
+     "iopub.status.busy": "2023-07-31T02:15:12.906136Z",
+     "iopub.status.idle": "2023-07-31T02:15:13.107710Z",
+     "shell.execute_reply": "2023-07-31T02:15:13.087852Z"
     }
    },
    "outputs": [
@@ -403,10 +403,10 @@
    "id": "8105e672",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.289863Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.287444Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.334859Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.334154Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.114340Z",
+     "iopub.status.busy": "2023-07-31T02:15:13.114020Z",
+     "iopub.status.idle": "2023-07-31T02:15:13.141638Z",
+     "shell.execute_reply": "2023-07-31T02:15:13.140560Z"
     }
    },
    "outputs": [
@@ -543,10 +543,10 @@
    "id": "095fca7f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.340159Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.339913Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.360016Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.358938Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.145828Z",
+     "iopub.status.busy": "2023-07-31T02:15:13.145445Z",
+     "iopub.status.idle": "2023-07-31T02:15:13.169693Z",
+     "shell.execute_reply": "2023-07-31T02:15:13.167380Z"
     }
    },
    "outputs": [
@@ -651,10 +651,10 @@
    "id": "0b576607",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.366939Z",
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-     "shell.execute_reply": "2023-07-26T19:30:00.371327Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.175385Z",
+     "iopub.status.busy": "2023-07-31T02:15:13.174868Z",
+     "iopub.status.idle": "2023-07-31T02:15:13.182332Z",
+     "shell.execute_reply": "2023-07-31T02:15:13.180605Z"
     }
    },
    "outputs": [
@@ -691,10 +691,10 @@
    "id": "7242df77",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.377586Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.377243Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.414526Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.413561Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.186100Z",
+     "iopub.status.busy": "2023-07-31T02:15:13.185344Z",
+     "iopub.status.idle": "2023-07-31T02:15:13.208027Z",
+     "shell.execute_reply": "2023-07-31T02:15:13.207412Z"
     }
    },
    "outputs": [
@@ -800,10 +800,10 @@
    "id": "c7972aea",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.419224Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.418841Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.450847Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.449742Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.211801Z",
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+     "iopub.status.idle": "2023-07-31T02:15:13.242153Z",
+     "shell.execute_reply": "2023-07-31T02:15:13.241395Z"
     }
    },
    "outputs": [
@@ -912,10 +912,10 @@
    "id": "84f172f2",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.456457Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.456134Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.464946Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.464036Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.247244Z",
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+     "shell.execute_reply": "2023-07-31T02:15:13.254338Z"
     }
    },
    "outputs": [],
@@ -939,10 +939,10 @@
    "id": "fcf376bd",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.468703Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.468445Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.618767Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.617143Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.259381Z",
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+     "iopub.status.idle": "2023-07-31T02:15:13.400610Z",
+     "shell.execute_reply": "2023-07-31T02:15:13.399907Z"
     }
    },
    "outputs": [
@@ -1003,10 +1003,10 @@
    "id": "c4d00900",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.624262Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.623922Z",
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-     "shell.execute_reply": "2023-07-26T19:30:00.655214Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.404776Z",
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+     "iopub.status.idle": "2023-07-31T02:15:13.431905Z",
+     "shell.execute_reply": "2023-07-31T02:15:13.430918Z"
     }
    },
    "outputs": [
@@ -1131,10 +1131,10 @@
    "id": "d3817102",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.660378Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.660082Z",
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-     "shell.execute_reply": "2023-07-26T19:30:00.673635Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.436340Z",
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+     "iopub.status.idle": "2023-07-31T02:15:13.446536Z",
+     "shell.execute_reply": "2023-07-31T02:15:13.445841Z"
     }
    },
    "outputs": [
@@ -1173,10 +1173,10 @@
    "id": "c06c0f27",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.678223Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.677950Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.699133Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.697370Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.450289Z",
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+     "shell.execute_reply": "2023-07-31T02:15:13.484068Z"
     }
    },
    "outputs": [
@@ -1298,10 +1298,10 @@
    "id": "8cb32db0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.702994Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.702578Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.733650Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.732960Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.491702Z",
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+     "shell.execute_reply": "2023-07-31T02:15:13.514950Z"
     }
    },
    "outputs": [
@@ -1434,10 +1434,10 @@
    "id": "f26b715f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.738238Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.736892Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.746487Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.744099Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.519557Z",
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+     "shell.execute_reply": "2023-07-31T02:15:13.526873Z"
     }
    },
    "outputs": [
@@ -1478,10 +1478,10 @@
    "id": "d6109816",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.750506Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.749854Z",
-     "iopub.status.idle": "2023-07-26T19:30:00.772527Z",
-     "shell.execute_reply": "2023-07-26T19:30:00.771748Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.531197Z",
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+     "iopub.status.idle": "2023-07-31T02:15:13.556693Z",
+     "shell.execute_reply": "2023-07-31T02:15:13.554858Z"
     }
    },
    "outputs": [
@@ -1602,10 +1602,10 @@
    "id": "7c73a3da",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.776268Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.775697Z",
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-     "shell.execute_reply": "2023-07-26T19:30:00.800182Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.561268Z",
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+     "shell.execute_reply": "2023-07-31T02:15:13.584767Z"
     }
    },
    "outputs": [
@@ -1718,10 +1718,10 @@
    "id": "d73789b4",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.807452Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.806662Z",
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-     "shell.execute_reply": "2023-07-26T19:30:00.970608Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.590643Z",
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+     "shell.execute_reply": "2023-07-31T02:15:13.735465Z"
     }
    },
    "outputs": [
@@ -1766,10 +1766,10 @@
    "id": "3e70b87d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:00.976289Z",
-     "iopub.status.busy": "2023-07-26T19:30:00.975775Z",
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-     "shell.execute_reply": "2023-07-26T19:30:01.018171Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.740381Z",
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+     "shell.execute_reply": "2023-07-31T02:15:13.776553Z"
     }
    },
    "outputs": [
@@ -1812,10 +1812,10 @@
    "id": "efe03b12",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:01.023545Z",
-     "iopub.status.busy": "2023-07-26T19:30:01.023263Z",
-     "iopub.status.idle": "2023-07-26T19:30:01.335107Z",
-     "shell.execute_reply": "2023-07-26T19:30:01.334312Z"
+     "iopub.execute_input": "2023-07-31T02:15:13.781500Z",
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+     "shell.execute_reply": "2023-07-31T02:15:14.063430Z"
     }
    },
    "outputs": [
@@ -1858,10 +1858,10 @@
    "id": "acff2af2",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:01.340045Z",
-     "iopub.status.busy": "2023-07-26T19:30:01.339738Z",
-     "iopub.status.idle": "2023-07-26T19:30:01.717518Z",
-     "shell.execute_reply": "2023-07-26T19:30:01.716788Z"
+     "iopub.execute_input": "2023-07-31T02:15:14.068893Z",
+     "iopub.status.busy": "2023-07-31T02:15:14.068635Z",
+     "iopub.status.idle": "2023-07-31T02:15:14.408960Z",
+     "shell.execute_reply": "2023-07-31T02:15:14.408263Z"
     }
    },
    "outputs": [
@@ -1913,10 +1913,10 @@
    "id": "a2d25550",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:01.722241Z",
-     "iopub.status.busy": "2023-07-26T19:30:01.721638Z",
-     "iopub.status.idle": "2023-07-26T19:30:01.742018Z",
-     "shell.execute_reply": "2023-07-26T19:30:01.741073Z"
+     "iopub.execute_input": "2023-07-31T02:15:14.413448Z",
+     "iopub.status.busy": "2023-07-31T02:15:14.413122Z",
+     "iopub.status.idle": "2023-07-31T02:15:14.436392Z",
+     "shell.execute_reply": "2023-07-31T02:15:14.435474Z"
     }
    },
    "outputs": [
@@ -1954,10 +1954,10 @@
    "id": "bc6322de",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:01.746687Z",
-     "iopub.status.busy": "2023-07-26T19:30:01.745367Z",
-     "iopub.status.idle": "2023-07-26T19:30:02.063975Z",
-     "shell.execute_reply": "2023-07-26T19:30:02.061953Z"
+     "iopub.execute_input": "2023-07-31T02:15:14.440489Z",
+     "iopub.status.busy": "2023-07-31T02:15:14.440065Z",
+     "iopub.status.idle": "2023-07-31T02:15:14.764590Z",
+     "shell.execute_reply": "2023-07-31T02:15:14.763753Z"
     }
    },
    "outputs": [
@@ -2016,10 +2016,10 @@
    "id": "703d2570",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:02.068387Z",
-     "iopub.status.busy": "2023-07-26T19:30:02.068151Z",
-     "iopub.status.idle": "2023-07-26T19:30:02.092605Z",
-     "shell.execute_reply": "2023-07-26T19:30:02.091688Z"
+     "iopub.execute_input": "2023-07-31T02:15:14.769077Z",
+     "iopub.status.busy": "2023-07-31T02:15:14.768693Z",
+     "iopub.status.idle": "2023-07-31T02:15:14.787733Z",
+     "shell.execute_reply": "2023-07-31T02:15:14.787073Z"
     }
    },
    "outputs": [],
@@ -2054,10 +2054,10 @@
    "id": "766a7b1f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:02.100057Z",
-     "iopub.status.busy": "2023-07-26T19:30:02.099286Z",
-     "iopub.status.idle": "2023-07-26T19:30:02.283723Z",
-     "shell.execute_reply": "2023-07-26T19:30:02.283010Z"
+     "iopub.execute_input": "2023-07-31T02:15:14.791620Z",
+     "iopub.status.busy": "2023-07-31T02:15:14.791297Z",
+     "iopub.status.idle": "2023-07-31T02:15:14.975843Z",
+     "shell.execute_reply": "2023-07-31T02:15:14.975148Z"
     }
    },
    "outputs": [
@@ -2116,10 +2116,10 @@
    "id": "2a9ed841",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:02.289076Z",
-     "iopub.status.busy": "2023-07-26T19:30:02.288796Z",
-     "iopub.status.idle": "2023-07-26T19:30:02.421352Z",
-     "shell.execute_reply": "2023-07-26T19:30:02.421033Z"
+     "iopub.execute_input": "2023-07-31T02:15:14.980341Z",
+     "iopub.status.busy": "2023-07-31T02:15:14.980093Z",
+     "iopub.status.idle": "2023-07-31T02:15:15.126673Z",
+     "shell.execute_reply": "2023-07-31T02:15:15.126362Z"
     }
    },
    "outputs": [
@@ -2177,10 +2177,10 @@
    "id": "ccf068b1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:02.423254Z",
-     "iopub.status.busy": "2023-07-26T19:30:02.422983Z",
-     "iopub.status.idle": "2023-07-26T19:30:02.444181Z",
-     "shell.execute_reply": "2023-07-26T19:30:02.443375Z"
+     "iopub.execute_input": "2023-07-31T02:15:15.128328Z",
+     "iopub.status.busy": "2023-07-31T02:15:15.128214Z",
+     "iopub.status.idle": "2023-07-31T02:15:15.153262Z",
+     "shell.execute_reply": "2023-07-31T02:15:15.150282Z"
     }
    },
    "outputs": [],
@@ -2213,10 +2213,10 @@
    "id": "38b719f1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:02.448633Z",
-     "iopub.status.busy": "2023-07-26T19:30:02.448241Z",
-     "iopub.status.idle": "2023-07-26T19:30:02.581291Z",
-     "shell.execute_reply": "2023-07-26T19:30:02.579631Z"
+     "iopub.execute_input": "2023-07-31T02:15:15.158595Z",
+     "iopub.status.busy": "2023-07-31T02:15:15.158140Z",
+     "iopub.status.idle": "2023-07-31T02:15:15.303226Z",
+     "shell.execute_reply": "2023-07-31T02:15:15.301663Z"
     }
    },
    "outputs": [
@@ -2256,10 +2256,10 @@
    "id": "02142f6e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:02.585698Z",
-     "iopub.status.busy": "2023-07-26T19:30:02.585237Z",
-     "iopub.status.idle": "2023-07-26T19:30:02.648951Z",
-     "shell.execute_reply": "2023-07-26T19:30:02.647958Z"
+     "iopub.execute_input": "2023-07-31T02:15:15.308692Z",
+     "iopub.status.busy": "2023-07-31T02:15:15.308306Z",
+     "iopub.status.idle": "2023-07-31T02:15:15.345188Z",
+     "shell.execute_reply": "2023-07-31T02:15:15.344373Z"
     }
    },
    "outputs": [],
@@ -2288,10 +2288,10 @@
    "id": "94587b05",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:02.653194Z",
-     "iopub.status.busy": "2023-07-26T19:30:02.652831Z",
-     "iopub.status.idle": "2023-07-26T19:30:02.808659Z",
-     "shell.execute_reply": "2023-07-26T19:30:02.807342Z"
+     "iopub.execute_input": "2023-07-31T02:15:15.349565Z",
+     "iopub.status.busy": "2023-07-31T02:15:15.348808Z",
+     "iopub.status.idle": "2023-07-31T02:15:15.493969Z",
+     "shell.execute_reply": "2023-07-31T02:15:15.493186Z"
     }
    },
    "outputs": [
@@ -2340,10 +2340,10 @@
    "id": "bba4c757",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:02.813190Z",
-     "iopub.status.busy": "2023-07-26T19:30:02.812200Z",
-     "iopub.status.idle": "2023-07-26T19:30:02.932249Z",
-     "shell.execute_reply": "2023-07-26T19:30:02.931965Z"
+     "iopub.execute_input": "2023-07-31T02:15:15.497724Z",
+     "iopub.status.busy": "2023-07-31T02:15:15.497435Z",
+     "iopub.status.idle": "2023-07-31T02:15:15.654244Z",
+     "shell.execute_reply": "2023-07-31T02:15:15.653870Z"
     }
    },
    "outputs": [
@@ -2387,10 +2387,10 @@
    "id": "32368085",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:02.933978Z",
-     "iopub.status.busy": "2023-07-26T19:30:02.933859Z",
-     "iopub.status.idle": "2023-07-26T19:30:02.968112Z",
-     "shell.execute_reply": "2023-07-26T19:30:02.967368Z"
+     "iopub.execute_input": "2023-07-31T02:15:15.655935Z",
+     "iopub.status.busy": "2023-07-31T02:15:15.655824Z",
+     "iopub.status.idle": "2023-07-31T02:15:15.686432Z",
+     "shell.execute_reply": "2023-07-31T02:15:15.685688Z"
     }
    },
    "outputs": [
@@ -2434,10 +2434,10 @@
    "id": "e7ba9957",
    "metadata": {
     "execution": {
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-     "shell.execute_reply": "2023-07-26T19:30:02.984394Z"
+     "iopub.execute_input": "2023-07-31T02:15:15.691690Z",
+     "iopub.status.busy": "2023-07-31T02:15:15.691016Z",
+     "iopub.status.idle": "2023-07-31T02:15:15.703660Z",
+     "shell.execute_reply": "2023-07-31T02:15:15.702988Z"
     }
    },
    "outputs": [
@@ -2541,10 +2541,10 @@
    "id": "ffc0099a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:02.990369Z",
-     "iopub.status.busy": "2023-07-26T19:30:02.990083Z",
-     "iopub.status.idle": "2023-07-26T19:30:03.049397Z",
-     "shell.execute_reply": "2023-07-26T19:30:03.048695Z"
+     "iopub.execute_input": "2023-07-31T02:15:15.707900Z",
+     "iopub.status.busy": "2023-07-31T02:15:15.707547Z",
+     "iopub.status.idle": "2023-07-31T02:15:15.750369Z",
+     "shell.execute_reply": "2023-07-31T02:15:15.749682Z"
     }
    },
    "outputs": [
@@ -2651,10 +2651,10 @@
    "id": "08026a6b",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:03.055222Z",
-     "iopub.status.busy": "2023-07-26T19:30:03.053410Z",
-     "iopub.status.idle": "2023-07-26T19:30:03.065149Z",
-     "shell.execute_reply": "2023-07-26T19:30:03.060566Z"
+     "iopub.execute_input": "2023-07-31T02:15:15.754363Z",
+     "iopub.status.busy": "2023-07-31T02:15:15.753938Z",
+     "iopub.status.idle": "2023-07-31T02:15:15.761799Z",
+     "shell.execute_reply": "2023-07-31T02:15:15.760383Z"
     }
    },
    "outputs": [
@@ -2693,7 +2693,7 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "/var/folders/16/8y65_zv174qgdp4ktlmpv12h0000gq/T/ipykernel_6131/3870570873.py:1: UserWarning: KNOWN BUG: p-values computed in this summary are likely much smaller than they should be. \n",
+      "/var/folders/16/8y65_zv174qgdp4ktlmpv12h0000gq/T/ipykernel_87737/3870570873.py:1: UserWarning: KNOWN BUG: p-values computed in this summary are likely much smaller than they should be. \n",
       " \n",
       "Please do not make inferences based on these values! \n",
       "\n",
@@ -2724,10 +2724,10 @@
    "id": "9191d615",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:03.069313Z",
-     "iopub.status.busy": "2023-07-26T19:30:03.069065Z",
-     "iopub.status.idle": "2023-07-26T19:30:03.085522Z",
-     "shell.execute_reply": "2023-07-26T19:30:03.084690Z"
+     "iopub.execute_input": "2023-07-31T02:15:15.766013Z",
+     "iopub.status.busy": "2023-07-31T02:15:15.765724Z",
+     "iopub.status.idle": "2023-07-31T02:15:15.779820Z",
+     "shell.execute_reply": "2023-07-31T02:15:15.779119Z"
     }
    },
    "outputs": [],
@@ -2750,10 +2750,10 @@
    "id": "92007a5f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:03.090132Z",
-     "iopub.status.busy": "2023-07-26T19:30:03.089881Z",
-     "iopub.status.idle": "2023-07-26T19:30:03.201833Z",
-     "shell.execute_reply": "2023-07-26T19:30:03.201245Z"
+     "iopub.execute_input": "2023-07-31T02:15:15.783636Z",
+     "iopub.status.busy": "2023-07-31T02:15:15.783296Z",
+     "iopub.status.idle": "2023-07-31T02:15:15.907664Z",
+     "shell.execute_reply": "2023-07-31T02:15:15.906806Z"
     }
    },
    "outputs": [
@@ -2783,10 +2783,10 @@
    "id": "4dd6aa2f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:03.204948Z",
-     "iopub.status.busy": "2023-07-26T19:30:03.204718Z",
-     "iopub.status.idle": "2023-07-26T19:30:03.405651Z",
-     "shell.execute_reply": "2023-07-26T19:30:03.404596Z"
+     "iopub.execute_input": "2023-07-31T02:15:15.911434Z",
+     "iopub.status.busy": "2023-07-31T02:15:15.910708Z",
+     "iopub.status.idle": "2023-07-31T02:15:16.048530Z",
+     "shell.execute_reply": "2023-07-31T02:15:16.047846Z"
     }
    },
    "outputs": [
@@ -2826,10 +2826,10 @@
    "id": "5a6e8754",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:03.410803Z",
-     "iopub.status.busy": "2023-07-26T19:30:03.408822Z",
-     "iopub.status.idle": "2023-07-26T19:30:03.436206Z",
-     "shell.execute_reply": "2023-07-26T19:30:03.434925Z"
+     "iopub.execute_input": "2023-07-31T02:15:16.052843Z",
+     "iopub.status.busy": "2023-07-31T02:15:16.052407Z",
+     "iopub.status.idle": "2023-07-31T02:15:16.079850Z",
+     "shell.execute_reply": "2023-07-31T02:15:16.078984Z"
     }
    },
    "outputs": [
@@ -2934,10 +2934,10 @@
    "id": "c92b60be",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:03.442427Z",
-     "iopub.status.busy": "2023-07-26T19:30:03.441250Z",
-     "iopub.status.idle": "2023-07-26T19:30:03.449300Z",
-     "shell.execute_reply": "2023-07-26T19:30:03.448611Z"
+     "iopub.execute_input": "2023-07-31T02:15:16.083887Z",
+     "iopub.status.busy": "2023-07-31T02:15:16.083527Z",
+     "iopub.status.idle": "2023-07-31T02:15:16.091266Z",
+     "shell.execute_reply": "2023-07-31T02:15:16.090319Z"
     }
    },
    "outputs": [],
@@ -2967,10 +2967,10 @@
    "id": "e525e8d0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:03.452617Z",
-     "iopub.status.busy": "2023-07-26T19:30:03.452392Z",
-     "iopub.status.idle": "2023-07-26T19:30:03.500282Z",
-     "shell.execute_reply": "2023-07-26T19:30:03.499537Z"
+     "iopub.execute_input": "2023-07-31T02:15:16.095914Z",
+     "iopub.status.busy": "2023-07-31T02:15:16.095270Z",
+     "iopub.status.idle": "2023-07-31T02:15:16.153654Z",
+     "shell.execute_reply": "2023-07-31T02:15:16.152986Z"
     }
    },
    "outputs": [
@@ -3009,10 +3009,10 @@
    "id": "c3e66cf9",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:03.505975Z",
-     "iopub.status.busy": "2023-07-26T19:30:03.505674Z",
-     "iopub.status.idle": "2023-07-26T19:30:03.667572Z",
-     "shell.execute_reply": "2023-07-26T19:30:03.666611Z"
+     "iopub.execute_input": "2023-07-31T02:15:16.157725Z",
+     "iopub.status.busy": "2023-07-31T02:15:16.157380Z",
+     "iopub.status.idle": "2023-07-31T02:15:16.283378Z",
+     "shell.execute_reply": "2023-07-31T02:15:16.282779Z"
     }
    },
    "outputs": [
@@ -3043,10 +3043,10 @@
    "id": "fd924348",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:03.672481Z",
-     "iopub.status.busy": "2023-07-26T19:30:03.671964Z",
-     "iopub.status.idle": "2023-07-26T19:30:03.790367Z",
-     "shell.execute_reply": "2023-07-26T19:30:03.790071Z"
+     "iopub.execute_input": "2023-07-31T02:15:16.286495Z",
+     "iopub.status.busy": "2023-07-31T02:15:16.286234Z",
+     "iopub.status.idle": "2023-07-31T02:15:16.460530Z",
+     "shell.execute_reply": "2023-07-31T02:15:16.460174Z"
     }
    },
    "outputs": [
@@ -3076,10 +3076,10 @@
    "id": "2d3ec90a",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:03.798402Z",
-     "iopub.status.busy": "2023-07-26T19:30:03.798269Z",
-     "iopub.status.idle": "2023-07-26T19:30:03.913307Z",
-     "shell.execute_reply": "2023-07-26T19:30:03.913014Z"
+     "iopub.execute_input": "2023-07-31T02:15:16.462091Z",
+     "iopub.status.busy": "2023-07-31T02:15:16.461971Z",
+     "iopub.status.idle": "2023-07-31T02:15:16.573978Z",
+     "shell.execute_reply": "2023-07-31T02:15:16.573664Z"
     }
    },
    "outputs": [
@@ -3123,10 +3123,10 @@
    "id": "4f2bc0eb",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:03.915002Z",
-     "iopub.status.busy": "2023-07-26T19:30:03.914883Z",
-     "iopub.status.idle": "2023-07-26T19:30:04.060293Z",
-     "shell.execute_reply": "2023-07-26T19:30:04.059975Z"
+     "iopub.execute_input": "2023-07-31T02:15:16.575762Z",
+     "iopub.status.busy": "2023-07-31T02:15:16.575621Z",
+     "iopub.status.idle": "2023-07-31T02:15:16.719422Z",
+     "shell.execute_reply": "2023-07-31T02:15:16.719075Z"
     }
    },
    "outputs": [
diff --git a/Ch9-svm-lab.ipynb b/Ch9-svm-lab.ipynb
index 368eb05..0f272a8 100644
--- a/Ch9-svm-lab.ipynb
+++ b/Ch9-svm-lab.ipynb
@@ -26,10 +26,10 @@
    "id": "eeaa5be0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:20.613956Z",
-     "iopub.status.busy": "2023-07-26T19:30:20.613862Z",
-     "iopub.status.idle": "2023-07-26T19:30:21.610751Z",
-     "shell.execute_reply": "2023-07-26T19:30:21.610246Z"
+     "iopub.execute_input": "2023-07-31T02:15:31.933940Z",
+     "iopub.status.busy": "2023-07-31T02:15:31.933716Z",
+     "iopub.status.idle": "2023-07-31T02:15:32.774361Z",
+     "shell.execute_reply": "2023-07-31T02:15:32.773846Z"
     }
    },
    "outputs": [],
@@ -55,10 +55,10 @@
    "id": "41a59634",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:21.613062Z",
-     "iopub.status.busy": "2023-07-26T19:30:21.612758Z",
-     "iopub.status.idle": "2023-07-26T19:30:21.648403Z",
-     "shell.execute_reply": "2023-07-26T19:30:21.648111Z"
+     "iopub.execute_input": "2023-07-31T02:15:32.776623Z",
+     "iopub.status.busy": "2023-07-31T02:15:32.776343Z",
+     "iopub.status.idle": "2023-07-31T02:15:32.807761Z",
+     "shell.execute_reply": "2023-07-31T02:15:32.807471Z"
     }
    },
    "outputs": [],
@@ -83,10 +83,10 @@
    "id": "c9a175d7",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:21.650168Z",
-     "iopub.status.busy": "2023-07-26T19:30:21.650058Z",
-     "iopub.status.idle": "2023-07-26T19:30:21.651930Z",
-     "shell.execute_reply": "2023-07-26T19:30:21.651629Z"
+     "iopub.execute_input": "2023-07-31T02:15:32.809461Z",
+     "iopub.status.busy": "2023-07-31T02:15:32.809366Z",
+     "iopub.status.idle": "2023-07-31T02:15:32.811185Z",
+     "shell.execute_reply": "2023-07-31T02:15:32.810941Z"
     }
    },
    "outputs": [],
@@ -123,10 +123,10 @@
    "id": "a7216b47",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:21.653381Z",
-     "iopub.status.busy": "2023-07-26T19:30:21.653281Z",
-     "iopub.status.idle": "2023-07-26T19:30:21.771451Z",
-     "shell.execute_reply": "2023-07-26T19:30:21.769306Z"
+     "iopub.execute_input": "2023-07-31T02:15:32.812622Z",
+     "iopub.status.busy": "2023-07-31T02:15:32.812526Z",
+     "iopub.status.idle": "2023-07-31T02:15:32.919064Z",
+     "shell.execute_reply": "2023-07-31T02:15:32.918299Z"
     }
    },
    "outputs": [
@@ -167,10 +167,10 @@
    "id": "ed329198",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:21.776220Z",
-     "iopub.status.busy": "2023-07-26T19:30:21.775574Z",
-     "iopub.status.idle": "2023-07-26T19:30:21.791582Z",
-     "shell.execute_reply": "2023-07-26T19:30:21.790533Z"
+     "iopub.execute_input": "2023-07-31T02:15:32.924346Z",
+     "iopub.status.busy": "2023-07-31T02:15:32.922626Z",
+     "iopub.status.idle": "2023-07-31T02:15:32.934623Z",
+     "shell.execute_reply": "2023-07-31T02:15:32.934041Z"
     }
    },
    "outputs": [
@@ -210,10 +210,10 @@
    "id": "95494b8b",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:21.798277Z",
-     "iopub.status.busy": "2023-07-26T19:30:21.797873Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.041587Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.041253Z"
+     "iopub.execute_input": "2023-07-31T02:15:32.938730Z",
+     "iopub.status.busy": "2023-07-31T02:15:32.937883Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.117216Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.116876Z"
     }
    },
    "outputs": [
@@ -255,10 +255,10 @@
    "id": "98c2236f",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.043302Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.043193Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.185489Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.185015Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.119014Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.118891Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.258092Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.257817Z"
     }
    },
    "outputs": [
@@ -300,10 +300,10 @@
    "id": "b498f594",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.187546Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.187386Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.190140Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.189804Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.259755Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.259627Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.262432Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.262105Z"
     }
    },
    "outputs": [
@@ -337,10 +337,10 @@
    "id": "b65e80d6",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.192137Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.191917Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.221281Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.220919Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.263978Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.263877Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.290665Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.290398Z"
     }
    },
    "outputs": [
@@ -384,10 +384,10 @@
    "id": "bba8fad7",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.223145Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.222994Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.225490Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.225195Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.292219Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.292135Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.294550Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.294318Z"
     }
    },
    "outputs": [
@@ -424,10 +424,10 @@
    "id": "ad64269d",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.227113Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.227004Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.229099Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.228833Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.296023Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.295928Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.297787Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.297542Z"
     }
    },
    "outputs": [],
@@ -453,10 +453,10 @@
    "id": "5107fca1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.230650Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.230546Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.236572Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.236281Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.299207Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.299107Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.304700Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.304434Z"
     }
    },
    "outputs": [
@@ -540,10 +540,10 @@
    "id": "0320d9e0",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.238263Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.238141Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.242738Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.242453Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.306170Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.306087Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.310352Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.310107Z"
     }
    },
    "outputs": [
@@ -631,10 +631,10 @@
    "id": "84d7e778",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.244328Z",
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-     "iopub.status.idle": "2023-07-26T19:30:22.371782Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.371427Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.311857Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.311774Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.434376Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.434084Z"
     }
    },
    "outputs": [
@@ -669,10 +669,10 @@
    "id": "abb1f8be",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.380382Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.380213Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.385861Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.385389Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.436068Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.435948Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.440665Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.440404Z"
     }
    },
    "outputs": [
@@ -756,10 +756,10 @@
    "id": "2e4ed2f5",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.387842Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.387704Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.507545Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.507157Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.442227Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.442140Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.558482Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.558203Z"
     }
    },
    "outputs": [
@@ -800,10 +800,10 @@
    "id": "164a611c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.509336Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.509220Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.514501Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.513847Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.560147Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.560028Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.565003Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.564720Z"
     }
    },
    "outputs": [
@@ -887,10 +887,10 @@
    "id": "c67591a1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.516223Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.516110Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.643367Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.643066Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.566489Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.566402Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.687614Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.687292Z"
     }
    },
    "outputs": [
@@ -939,10 +939,10 @@
    "id": "322be574",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.645070Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.644945Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.647237Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.646934Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.689275Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.689167Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.691316Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.690975Z"
     }
    },
    "outputs": [],
@@ -967,17 +967,17 @@
    "id": "04fda182",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.648795Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.648693Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.737682Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.737352Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.692938Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.692827Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.780286Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.779983Z"
     }
    },
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "<matplotlib.collections.PathCollection at 0x157b6e810>"
+       "<matplotlib.collections.PathCollection at 0x1474d1090>"
       ]
      },
      "execution_count": 20,
@@ -1019,10 +1019,10 @@
    "id": "0c2690d1",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.739293Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.739179Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.743290Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.743048Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.782021Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.781908Z",
+     "iopub.status.idle": "2023-07-31T02:15:33.786110Z",
+     "shell.execute_reply": "2023-07-31T02:15:33.785823Z"
     }
    },
    "outputs": [
@@ -1067,10 +1067,10 @@
    "id": "3eb171e8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:22.744866Z",
-     "iopub.status.busy": "2023-07-26T19:30:22.744774Z",
-     "iopub.status.idle": "2023-07-26T19:30:22.999527Z",
-     "shell.execute_reply": "2023-07-26T19:30:22.999240Z"
+     "iopub.execute_input": "2023-07-31T02:15:33.787740Z",
+     "iopub.status.busy": "2023-07-31T02:15:33.787646Z",
+     "iopub.status.idle": "2023-07-31T02:15:34.044862Z",
+     "shell.execute_reply": "2023-07-31T02:15:34.044553Z"
     }
    },
    "outputs": [
@@ -1111,10 +1111,10 @@
    "id": "9a6b905b",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:23.001234Z",
-     "iopub.status.busy": "2023-07-26T19:30:23.001125Z",
-     "iopub.status.idle": "2023-07-26T19:30:23.153325Z",
-     "shell.execute_reply": "2023-07-26T19:30:23.152993Z"
+     "iopub.execute_input": "2023-07-31T02:15:34.046569Z",
+     "iopub.status.busy": "2023-07-31T02:15:34.046449Z",
+     "iopub.status.idle": "2023-07-31T02:15:34.197967Z",
+     "shell.execute_reply": "2023-07-31T02:15:34.197661Z"
     }
    },
    "outputs": [
@@ -1155,10 +1155,10 @@
    "id": "5ab01d6c",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:23.155062Z",
-     "iopub.status.busy": "2023-07-26T19:30:23.154942Z",
-     "iopub.status.idle": "2023-07-26T19:30:23.246256Z",
-     "shell.execute_reply": "2023-07-26T19:30:23.245948Z"
+     "iopub.execute_input": "2023-07-31T02:15:34.199716Z",
+     "iopub.status.busy": "2023-07-31T02:15:34.199590Z",
+     "iopub.status.idle": "2023-07-31T02:15:34.297753Z",
+     "shell.execute_reply": "2023-07-31T02:15:34.297384Z"
     }
    },
    "outputs": [
@@ -1203,10 +1203,10 @@
    "id": "166a6acb",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:23.247818Z",
-     "iopub.status.busy": "2023-07-26T19:30:23.247730Z",
-     "iopub.status.idle": "2023-07-26T19:30:23.480058Z",
-     "shell.execute_reply": "2023-07-26T19:30:23.479735Z"
+     "iopub.execute_input": "2023-07-31T02:15:34.299759Z",
+     "iopub.status.busy": "2023-07-31T02:15:34.299634Z",
+     "iopub.status.idle": "2023-07-31T02:15:34.531852Z",
+     "shell.execute_reply": "2023-07-31T02:15:34.531406Z"
     }
    },
    "outputs": [
@@ -1337,10 +1337,10 @@
    "id": "0607fc41",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:23.481797Z",
-     "iopub.status.busy": "2023-07-26T19:30:23.481689Z",
-     "iopub.status.idle": "2023-07-26T19:30:23.570996Z",
-     "shell.execute_reply": "2023-07-26T19:30:23.570713Z"
+     "iopub.execute_input": "2023-07-31T02:15:34.533790Z",
+     "iopub.status.busy": "2023-07-31T02:15:34.533662Z",
+     "iopub.status.idle": "2023-07-31T02:15:34.622732Z",
+     "shell.execute_reply": "2023-07-31T02:15:34.622432Z"
     }
    },
    "outputs": [
@@ -1381,10 +1381,10 @@
    "id": "5211a882",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:23.572826Z",
-     "iopub.status.busy": "2023-07-26T19:30:23.572704Z",
-     "iopub.status.idle": "2023-07-26T19:30:23.710067Z",
-     "shell.execute_reply": "2023-07-26T19:30:23.709718Z"
+     "iopub.execute_input": "2023-07-31T02:15:34.624457Z",
+     "iopub.status.busy": "2023-07-31T02:15:34.624340Z",
+     "iopub.status.idle": "2023-07-31T02:15:34.760006Z",
+     "shell.execute_reply": "2023-07-31T02:15:34.759724Z"
     }
    },
    "outputs": [
@@ -1430,10 +1430,10 @@
    "id": "12acc4ff",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:23.711836Z",
-     "iopub.status.busy": "2023-07-26T19:30:23.711704Z",
-     "iopub.status.idle": "2023-07-26T19:30:23.715844Z",
-     "shell.execute_reply": "2023-07-26T19:30:23.715547Z"
+     "iopub.execute_input": "2023-07-31T02:15:34.761683Z",
+     "iopub.status.busy": "2023-07-31T02:15:34.761571Z",
+     "iopub.status.idle": "2023-07-31T02:15:34.765670Z",
+     "shell.execute_reply": "2023-07-31T02:15:34.765355Z"
     }
    },
    "outputs": [],
@@ -1461,10 +1461,10 @@
    "id": "21c81913",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:23.717442Z",
-     "iopub.status.busy": "2023-07-26T19:30:23.717349Z",
-     "iopub.status.idle": "2023-07-26T19:30:23.813301Z",
-     "shell.execute_reply": "2023-07-26T19:30:23.812976Z"
+     "iopub.execute_input": "2023-07-31T02:15:34.767320Z",
+     "iopub.status.busy": "2023-07-31T02:15:34.767196Z",
+     "iopub.status.idle": "2023-07-31T02:15:34.862379Z",
+     "shell.execute_reply": "2023-07-31T02:15:34.862109Z"
     }
    },
    "outputs": [
@@ -1516,10 +1516,10 @@
    "id": "2fff4fa8",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:23.815030Z",
-     "iopub.status.busy": "2023-07-26T19:30:23.814911Z",
-     "iopub.status.idle": "2023-07-26T19:30:23.901789Z",
-     "shell.execute_reply": "2023-07-26T19:30:23.901472Z"
+     "iopub.execute_input": "2023-07-31T02:15:34.864078Z",
+     "iopub.status.busy": "2023-07-31T02:15:34.863962Z",
+     "iopub.status.idle": "2023-07-31T02:15:34.950893Z",
+     "shell.execute_reply": "2023-07-31T02:15:34.950574Z"
     }
    },
    "outputs": [
@@ -1557,10 +1557,10 @@
    "id": "5396f2df",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:23.903488Z",
-     "iopub.status.busy": "2023-07-26T19:30:23.903367Z",
-     "iopub.status.idle": "2023-07-26T19:30:24.478035Z",
-     "shell.execute_reply": "2023-07-26T19:30:24.477752Z"
+     "iopub.execute_input": "2023-07-31T02:15:34.952587Z",
+     "iopub.status.busy": "2023-07-31T02:15:34.952475Z",
+     "iopub.status.idle": "2023-07-31T02:15:35.530841Z",
+     "shell.execute_reply": "2023-07-31T02:15:35.530380Z"
     }
    },
    "outputs": [
@@ -1620,10 +1620,10 @@
    "id": "f63c575e",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:24.479854Z",
-     "iopub.status.busy": "2023-07-26T19:30:24.479740Z",
-     "iopub.status.idle": "2023-07-26T19:30:24.553046Z",
-     "shell.execute_reply": "2023-07-26T19:30:24.552768Z"
+     "iopub.execute_input": "2023-07-31T02:15:35.532698Z",
+     "iopub.status.busy": "2023-07-31T02:15:35.532574Z",
+     "iopub.status.idle": "2023-07-31T02:15:35.607009Z",
+     "shell.execute_reply": "2023-07-31T02:15:35.606701Z"
     }
    },
    "outputs": [
@@ -1666,10 +1666,10 @@
    "id": "32091338",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:24.554699Z",
-     "iopub.status.busy": "2023-07-26T19:30:24.554597Z",
-     "iopub.status.idle": "2023-07-26T19:30:24.583168Z",
-     "shell.execute_reply": "2023-07-26T19:30:24.582899Z"
+     "iopub.execute_input": "2023-07-31T02:15:35.608711Z",
+     "iopub.status.busy": "2023-07-31T02:15:35.608596Z",
+     "iopub.status.idle": "2023-07-31T02:15:35.637522Z",
+     "shell.execute_reply": "2023-07-31T02:15:35.637236Z"
     }
    },
    "outputs": [
@@ -1780,10 +1780,10 @@
    "id": "d9058023",
    "metadata": {
     "execution": {
-     "iopub.execute_input": "2023-07-26T19:30:24.584794Z",
-     "iopub.status.busy": "2023-07-26T19:30:24.584676Z",
-     "iopub.status.idle": "2023-07-26T19:30:24.595404Z",
-     "shell.execute_reply": "2023-07-26T19:30:24.595053Z"
+     "iopub.execute_input": "2023-07-31T02:15:35.639109Z",
+     "iopub.status.busy": "2023-07-31T02:15:35.639016Z",
+     "iopub.status.idle": "2023-07-31T02:15:35.649929Z",
+     "shell.execute_reply": "2023-07-31T02:15:35.649661Z"
     }
    },
    "outputs": [