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Update documentation
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‎.buildinfo‎

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# Sphinx build info version 1
22
# This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
3-
config: aae323fcaf79579d719f11765502f276
3+
config: 2f05231b6e52d81fe016728b11068dc6
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tags: 645f666f9bcd5a90fca523b33c5a78b7

‎_sources/notebooks/Python_misc_Pandas.ipynb‎

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"list(df[\"出身都道府県\"].values)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"また、列名の配列を指定することで、複数の列を取得することもできる。\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 16,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/html": [
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"<div>\n",
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"<style scoped>\n",
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" .dataframe tbody tr th:only-of-type {\n",
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" vertical-align: middle;\n",
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" }\n",
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"\n",
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" .dataframe tbody tr th {\n",
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" vertical-align: top;\n",
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" }\n",
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"\n",
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" .dataframe thead th {\n",
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" text-align: right;\n",
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" }\n",
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"</style>\n",
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"<table border=\"1\" class=\"dataframe\">\n",
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" <thead>\n",
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" <tr style=\"text-align: right;\">\n",
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" <th></th>\n",
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" <th>出身都道府県</th>\n",
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" <th>生年</th>\n",
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" </tr>\n",
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" </thead>\n",
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" <tbody>\n",
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" <tr>\n",
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" <th>Aさん</th>\n",
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" <td>Tokyo</td>\n",
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" <td>1998</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>Bさん</th>\n",
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" <td>Tochigi</td>\n",
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" <td>1993</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>Cさん</th>\n",
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" <td>Hokkaido</td>\n",
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" <td>2000</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>Dさん</th>\n",
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" <td>Kyoto</td>\n",
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" <td>1989</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>Eさん</th>\n",
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" <td>Tochigi</td>\n",
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" <td>2002</td>\n",
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" </tr>\n",
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" </tbody>\n",
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"</table>\n",
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"</div>"
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],
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"text/plain": [
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" 出身都道府県 生年\n",
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"Aさん Tokyo 1998\n",
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"Bさん Tochigi 1993\n",
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"Cさん Hokkaido 2000\n",
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"Dさん Kyoto 1989\n",
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"Eさん Tochigi 2002"
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]
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},
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"execution_count": 16,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"df[[\"出身都道府県\", \"生年\"]]"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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},
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{
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"cell_type": "code",
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"execution_count": 16,
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"execution_count": 17,
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"metadata": {
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"id": "qlFGoUdc8zPn"
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},
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"Eさん Tochigi 2002 158"
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]
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},
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"execution_count": 16,
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"execution_count": 17,
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"metadata": {},
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"output_type": "execute_result"
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}
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},
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{
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"cell_type": "code",
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"execution_count": 17,
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"execution_count": 18,
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"metadata": {
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"id": "Ubs3Zbjj9KA9"
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},
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"Name: 出身都道府県, dtype: bool"
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]
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},
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"execution_count": 17,
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"execution_count": 18,
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"metadata": {},
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"output_type": "execute_result"
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}
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},
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"source": [
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"が条件に合致するかどうかTrue/Falseの配列(正確には`Series`)になっていて、 \n",
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"df[ [True/Falseの配列] ]とすると、Trueに対応する要素のみを返すフィルターのような役割になっている。"
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"df[ [True/Falseの配列] ]とすると、Trueに対応する要素のみを返すフィルターのような役割になっている。\n",
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"\n",
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"このように、特定の条件に応じて抽出した(フィルタリングやマスクなどとも呼ぶ)データを使って、さらに分析を進めることができる。\n",
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"もとのDataFrameから上記のような方法で抽出したものもDataFrame型のオブジェクトになるため、\n",
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"抽出したものの中から特定の列を選ぶ場合などは、同じようにして行うことができる。\n",
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"\n",
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"出身都道府県の列が\"Tochigi\"の人を抽出し、その\"生年\"の列を取得する例は以下のようになる。\n",
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"\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 19,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"Bさん 1993\n",
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"Eさん 2002\n",
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"Name: 生年, dtype: int64"
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]
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},
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"execution_count": 19,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"df[df[\"出身都道府県\"]==\"Tochigi\"][\"生年\"]"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"```python\n",
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"df[df[\"出身都道府県\"]==\"Tochigi\"]\n",
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"```\n",
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"部分もDataFrame型のオブジェクトになっている"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 20,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"pandas.core.frame.DataFrame"
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]
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},
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"execution_count": 20,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"type( df[df[\"出身都道府県\"]==\"Tochigi\"] )"
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]
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},
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{
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"provenance": []
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},
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"kernelspec": {
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"display_name": "my_python3_env_forQC",
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"display_name": "3.11.4",
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"language": "python",
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"name": "python3"
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},
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.13.5"
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"version": "3.11.4"
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}
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},
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"nbformat": 4,

‎_static/basic.css‎

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div.sphinxsidebar {
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float: left;
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width: 230px;
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width: 270px;
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margin-left: -100%;
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font-size: 90%;
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word-wrap: break-word;

‎_static/locales/ar/LC_MESSAGES/booktheme.po‎

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"Language: ar\n"
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"Plural-Forms: nplurals=2; plural=(n != 1);\n"
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msgid "Print to PDF"
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msgstr "طباعة إلى PDF"
13-
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msgid "Theme by the"
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msgstr "موضوع بواسطة"
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msgid "Download source file"
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msgstr "تنزيل ملف المصدر"
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msgid "By the"
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msgstr "بواسطة"
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msgid "open issue"
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msgstr "قضية مفتوحة"
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msgid "By"
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msgstr "بواسطة"
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msgid "Contents"
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msgstr "محتويات"
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msgid "previous page"
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msgstr "الصفحة السابقة"
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msgid "Copyright"
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msgstr "حقوق النشر"
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msgid "Download notebook file"
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msgstr "تنزيل ملف دفتر الملاحظات"
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msgid "Copyright"
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msgstr "حقوق النشر"
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msgid "Download source file"
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msgstr "تنزيل ملف المصدر"
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msgid "Download this page"
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msgstr "قم بتنزيل هذه الصفحة"
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msgid "Source repository"
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msgstr "مستودع المصدر"
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msgid "By"
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msgstr "بواسطة"
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msgid "Edit this page"
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msgstr "قم بتحرير هذه الصفحة"
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msgid "repository"
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msgstr "مخزن"
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msgid "Fullscreen mode"
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msgstr "وضع ملء الشاشة"
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msgid "Last updated on"
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msgstr "آخر تحديث في"
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msgid "Toggle navigation"
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msgstr "تبديل التنقل"
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msgid "Sphinx Book Theme"
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msgstr "موضوع كتاب أبو الهول"
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msgid "suggest edit"
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msgstr "أقترح تحرير"
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msgid "Launch"
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msgstr "إطلاق"
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msgid "Open an issue"
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msgstr "افتح قضية"
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msgid "Launch"
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msgstr "إطلاق"
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msgid "Print to PDF"
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msgstr "طباعة إلى PDF"
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msgid "Fullscreen mode"
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msgstr "وضع ملء الشاشة"
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msgid "Source repository"
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msgstr "مستودع المصدر"
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msgid "Edit this page"
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msgstr "قم بتحرير هذه الصفحة"
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msgid "Sphinx Book Theme"
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msgstr "موضوع كتاب أبو الهول"
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msgid "By the"
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msgstr "بواسطة"
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msgid "Theme by the"
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msgstr "موضوع بواسطة"
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msgid "Toggle navigation"
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msgstr "تبديل التنقل"
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msgid "next page"
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msgstr "الصفحة التالية"
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msgid "open issue"
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msgstr "قضية مفتوحة"
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msgid "previous page"
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msgstr "الصفحة السابقة"
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msgid "repository"
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msgstr "مخزن"
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msgid "suggest edit"
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msgstr "أقترح تحرير"

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