Merge pull request #72 from dok/master

Resolve #71

100_Numpy_exercises.ipynb

@@ -339,7 +339,7 @@
     "print(np.nan == np.nan)\n",
     "print(np.inf > np.nan)\n",
     "print(np.nan - np.nan)\n",
-	"print(np.nan in set([np.nan]))\n"
+  	"print(np.nan in set([np.nan]))\n",
     "print(0.3 == 3 * 0.1)"
    ]
   },

100_Numpy_exercises_with_hint.ipynb

@@ -301,7 +301,7 @@
     "np.nan == np.nan\n",
     "np.inf > np.nan\n",
     "np.nan - np.nan\n",
-	"np.nan in set([np.nan])\n"
+  	"np.nan in set([np.nan])\n",
     "0.3 == 3 * 0.1\n",
     "```"
    ]