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June 9, 2017 04:27
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{ | |
"cells": [ | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"# 第1章:準備運動" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"## 00.文字列の逆順" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 1, | |
"metadata": { | |
"ExecuteTime": { | |
"end_time": "2017-06-09T04:25:11.855920Z", | |
"start_time": "2017-06-09T04:25:11.849857Z" | |
}, | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"def q00():\n", | |
" string = \"stressed\"\n", | |
" return list(reversed(string))" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 2, | |
"metadata": { | |
"ExecuteTime": { | |
"end_time": "2017-06-09T04:25:12.269393Z", | |
"start_time": "2017-06-09T04:25:12.265296Z" | |
}, | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"assert q00(), \"desserts\"" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"## 01. 「パタトクカシーー」" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 3, | |
"metadata": { | |
"ExecuteTime": { | |
"end_time": "2017-06-09T04:25:13.016422Z", | |
"start_time": "2017-06-09T04:25:13.008446Z" | |
}, | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"def q01():\n", | |
" string = \"パタトクカシーー\"\n", | |
" chars = [c for i, c in enumerate(string, start=1) if i in (1, 3, 5, 7)]\n", | |
" return \"\".join(chars)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 4, | |
"metadata": { | |
"ExecuteTime": { | |
"end_time": "2017-06-09T04:25:13.340412Z", | |
"start_time": "2017-06-09T04:25:13.336288Z" | |
}, | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"assert q01(), \"パトカー\"" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"## 02. 「パトカー」+「タクシー」=「パタトクカシーー」" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 5, | |
"metadata": { | |
"ExecuteTime": { | |
"end_time": "2017-06-09T04:25:13.943490Z", | |
"start_time": "2017-06-09T04:25:13.936597Z" | |
}, | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"def q02():\n", | |
" string1 = \"パトカー\"\n", | |
" string2 = \"タクシー\"\n", | |
" return \"\".join([c1 + c2 for c1, c2 in zip(string1, string2)])" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 6, | |
"metadata": { | |
"ExecuteTime": { | |
"end_time": "2017-06-09T04:25:14.205836Z", | |
"start_time": "2017-06-09T04:25:14.201759Z" | |
}, | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"assert q02(), \"パタトクカシーー\"" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"## 03. 円周率" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 7, | |
"metadata": { | |
"ExecuteTime": { | |
"end_time": "2017-06-09T04:25:14.790748Z", | |
"start_time": "2017-06-09T04:25:14.777150Z" | |
}, | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"symbols = (\",\", \".\")\n", | |
"def delete_symbol(c):\n", | |
" for symbol in symbols:\n", | |
" c = c.replace(symbol, \"\")\n", | |
" return c\n", | |
" \n", | |
"def q03():\n", | |
" sentence = \"Now I need a drink, alcoholic of course, after the heavy lectures involving quantum mechanics.\"\n", | |
" return [len(delete_symbol(word)) for word in sentence.split()]" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 8, | |
"metadata": { | |
"ExecuteTime": { | |
"end_time": "2017-06-09T04:25:15.077034Z", | |
"start_time": "2017-06-09T04:25:15.072288Z" | |
}, | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"assert q03(), [3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5, 8, 9, 7, 9]" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"## 04. 元素記号" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 9, | |
"metadata": { | |
"ExecuteTime": { | |
"end_time": "2017-06-09T04:25:15.725014Z", | |
"start_time": "2017-06-09T04:25:15.704742Z" | |
}, | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"def q04():\n", | |
" sentence = \"Hi He Lied Because Boron Could Not Oxidize Fluorine. New Nations Might Also Sign Peace Security Clause. Arthur King Can.\"\n", | |
" word_position = {}\n", | |
" \n", | |
" symbol_deleted_sentence = delete_symbol(sentence)\n", | |
"\n", | |
" for i, word in enumerate(symbol_deleted_sentence.split(), start=1):\n", | |
" if i in (1, 5, 6, 7, 8, 9, 15, 16, 19):\n", | |
" char = word[0]\n", | |
" else:\n", | |
" char = word[:2]\n", | |
" word_position[char] = i\n", | |
" return word_position" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 10, | |
"metadata": { | |
"ExecuteTime": { | |
"end_time": "2017-06-09T04:25:16.757877Z", | |
"start_time": "2017-06-09T04:25:16.752537Z" | |
} | |
}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"{'H': 1, 'He': 2, 'Li': 3, 'Be': 4, 'B': 5, 'C': 6, 'N': 7, 'O': 8, 'F': 9, 'Ne': 10, 'Na': 11, 'Mi': 12, 'Al': 13, 'Si': 14, 'P': 15, 'S': 16, 'Cl': 17, 'Ar': 18, 'K': 19, 'Ca': 20}\n" | |
] | |
} | |
], | |
"source": [ | |
"print(q04())" | |
] | |
}, | |
{ | |
"cell_type": "markdown", | |
"metadata": {}, | |
"source": [ | |
"## 05. n-gram" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 11, | |
"metadata": { | |
"ExecuteTime": { | |
"end_time": "2017-06-09T04:25:18.374561Z", | |
"start_time": "2017-06-09T04:25:18.368842Z" | |
}, | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
"def q05(words, n=2):\n", | |
" return [words[i:i+n] for i in range(len(words)-n+1)]" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 12, | |
"metadata": { | |
"ExecuteTime": { | |
"end_time": "2017-06-09T04:25:18.751725Z", | |
"start_time": "2017-06-09T04:25:18.745007Z" | |
} | |
}, | |
"outputs": [ | |
{ | |
"name": "stdout", | |
"output_type": "stream", | |
"text": [ | |
"['I ', ' a', 'am', 'm ', ' a', 'an', 'n ', ' N', 'NL', 'LP', 'Pe', 'er']\n", | |
"[['I', 'am'], ['am', 'an'], ['an', 'NLPer']]\n" | |
] | |
} | |
], | |
"source": [ | |
"sentence = \"I am an NLPer\"\n", | |
"print(q05(sentence))\n", | |
"print(q05(sentence.split()))" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": null, | |
"metadata": { | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [] | |
} | |
], | |
"metadata": { | |
"kernelspec": { | |
"display_name": "Python 3", | |
"language": "python", | |
"name": "python3" | |
}, | |
"language_info": { | |
"codemirror_mode": { | |
"name": "ipython", | |
"version": 3 | |
}, | |
"file_extension": ".py", | |
"mimetype": "text/x-python", | |
"name": "python", | |
"nbconvert_exporter": "python", | |
"pygments_lexer": "ipython3", | |
"version": "3.6.1" | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 2 | |
} |
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