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Countdown.ipynb updated with Littman Countdown

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This commit is contained in:
Peter Norvig
2018-01-01 16:41:46 -08:00
committed by GitHub
parent 7d459a513e
commit c75679e94a
1 changed files with 29 additions and 23 deletions
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ipynb/Countdown.ipynb
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@@ -2876,16 +2876,16 @@
},
{
"cell_type": "code",
"execution_count": 75,
"execution_count": 80,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"'2.0+(1*8), 2.0-(1-8), (2.0-1)*8, (2*0)-(1-8), √(2.0*18), -2.0-(1-8), √(-2.0+18), 2.0+(1^8), 20-18, 2.0-(1^8)'"
"'2.0+(1*8), 2.0-(1-8), (2.0-1)*8, (2*0)-(1-8), √(2.0*18), -2.0-(1-8), √(-2.0+18), 2.0+(1^8), 20-18, 2.0-(1^8), 2*(0/18)'"
]
},
"execution_count": 75,
"execution_count": 80,
"metadata": {},
"output_type": "execute_result"
}
@@ -2896,7 +2896,7 @@
"\n",
"def littman_countdown(year):\n",
" \"Return a Littman countdown for the year.\"\n",
" return ', '.join(littman(year, i) for i in range(10, 0, -1))\n",
" return ', '.join(littman(year, i) for i in range(10, -1, -1))\n",
"\n",
"def littman(year, i):\n",
" \"Return a string that makes i with the digits of year.\"\n",
@@ -2917,31 +2917,37 @@
},
{
"cell_type": "code",
"execution_count": 76,
"execution_count": 82,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"{2011: '20/(1+1), 20-11, -2.0+(1/.1), (2.0+1)!+1, √(20-11)!, (2.0+1)!-1, 2.0*(1+1), √(20-11), 2+(0/11), 2.0/(1+1)',\n",
" 2012: '20/(1*2), (2.0+1)^2, 20-12, 2.0+(1/.2), 2.0*(1+2), 2.0+(1+2), 2.0*(1*2), 2.0-(1-2), 2+(0/12), -.20+1.2',\n",
" 2013: '20/(-1+3), (2.0+1)*3, 2.0*(1+3), 20-13, 2.0+(1+3), 20/(1+3), 2.0-(1-3), (2.0-1)*3, 2+(0/13), (2.0+1)/3',\n",
" 2014: '2.0*(1+4), (2.0+1)^√4, 2.0/(1/4), 2.0+(1+4), 20-14, 20*(1/4), 20/(1+4), -20-(1-4!), 2+(0/14), .20*(1+4)',\n",
" 2015: '2.0*(1*5), √(201-5!), 2.0+(1+5), 2.0+(1*5), (.20*15)!, 20-15, 20/(1*5), .20*15, 2+(0/15), 2*(0.1*5)',\n",
" 2016: '2*(0-(1-6)), 2.0+(1+6), 2.0*√16, 2.0-(1-6), √(20+16), 20/√16, 20-16, 2.0+(1^6), 2+(0/16), .20*(-1+6)',\n",
" 2017: '2.0+(1+7), 2.0+(1*7), 2.0-(1-7), (2.0-1)*7, (20-17)!, -2.0+(1*7), -2.0-(1-7), 20-17, 2+(0/17), 2.0-(1^7)',\n",
" 2018: '2.0+(1*8), 2.0-(1-8), (2.0-1)*8, (2*0)-(1-8), √(2.0*18), -2.0-(1-8), √(-2.0+18), 2.0+(1^8), 20-18, 2.0-(1^8)',\n",
" 2019: '20-(1+9), (2.0-1)*9, (2*0)-(1-9), -2.0+(1*9), -2.0-(1-9), 20/(1+√9), 2.0-(1-√9), 2.0+(1^9), 2+(0/19), 20-19'}"
"name": "stdout",
"output_type": "stream",
"text": [
"2011:\n",
"20/(1+1), 20-11, -2.0+(1/.1), (2.0+1)!+1, √(20-11)!, (2.0+1)!-1, 2.0*(1+1), √(20-11), 2+(0/11), 2.0/(1+1), 2*(0/11)\n",
"2012:\n",
"20/(1*2), (2.0+1)^2, 20-12, 2.0+(1/.2), 2.0*(1+2), 2.0+(1+2), 2.0*(1*2), 2.0-(1-2), 2+(0/12), -.20+1.2, 2*(0/12)\n",
"2013:\n",
"20/(-1+3), (2.0+1)*3, 2.0*(1+3), 20-13, 2.0+(1+3), 20/(1+3), 2.0-(1-3), (2.0-1)*3, 2+(0/13), (2.0+1)/3, 2*(0/13)\n",
"2014:\n",
"2.0*(1+4), (2.0+1)^√4, 2.0/(1/4), 2.0+(1+4), 20-14, 20*(1/4), 20/(1+4), -20-(1-4!), 2+(0/14), .20*(1+4), 2*(0/14)\n",
"2015:\n",
"2.0*(1*5), √(201-5!), 2.0+(1+5), 2.0+(1*5), (.20*15)!, 20-15, 20/(1*5), .20*15, 2+(0/15), 2*(0.1*5), 2*(0/15)\n",
"2016:\n",
"2*(0-(1-6)), 2.0+(1+6), 2.0*√16, 2.0-(1-6), √(20+16), 20/√16, 20-16, 2.0+(1^6), 2+(0/16), .20*(-1+6), 2*(0/16)\n",
"2017:\n",
"2.0+(1+7), 2.0+(1*7), 2.0-(1-7), (2.0-1)*7, (20-17)!, -2.0+(1*7), -2.0-(1-7), 20-17, 2+(0/17), 2.0-(1^7), 2*(0/17)\n",
"2018:\n",
"2.0+(1*8), 2.0-(1-8), (2.0-1)*8, (2*0)-(1-8), √(2.0*18), -2.0-(1-8), √(-2.0+18), 2.0+(1^8), 20-18, 2.0-(1^8), 2*(0/18)\n",
"2019:\n",
"20-(1+9), (2.0-1)*9, (2*0)-(1-9), -2.0+(1*9), -2.0-(1-9), 20/(1+√9), 2.0-(1-√9), 2.0+(1^9), 2+(0/19), 20-19, 2*(0/19)\n"
]
},
"execution_count": 76,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"{y: littman_countdown(y) \n",
" for y in range(2011, 2020)}"
"for y in range(2011, 2020):\n",
" print('{}:\\n{}'.format(y, littman_countdown(y)))"
]
}
],