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Jupyter 101

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提交 28c95707 编写于 作者: BaiXuePrincess's avatar BaiXuePrincess 🐕
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Showing with 326 addition and 4 deletion
001-install.ipynb
浏览文件 @ 28c95707
...@@ -438,7 +438,7 @@ ...@@ -438,7 +438,7 @@
], ],
"metadata": { "metadata": {
"kernelspec": { "kernelspec": {
"display_name": "Python 3 (ipykernel)", "display_name": "Python 3",
"language": "python", "language": "python",
"name": "python3" "name": "python3"
}, },
...@@ -452,8 +452,9 @@ ...@@ -452,8 +452,9 @@
"name": "python", "name": "python",
"nbconvert_exporter": "python", "nbconvert_exporter": "python",
"pygments_lexer": "ipython3", "pygments_lexer": "ipython3",
"version": "3.9.1" "version": "3.8.8"
} },
"toc-showtags": false
}, },
"nbformat": 4, "nbformat": 4,
"nbformat_minor": 5 "nbformat_minor": 5
......
002-demo.ipynb
浏览文件 @ 28c95707
...@@ -69,6 +69,24 @@ ...@@ -69,6 +69,24 @@
"\n" "\n"
] ]
}, },
{
"cell_type": "code",
"execution_count": 6,
"id": "f28e418d-3510-4d44-95e0-bdddf8227b57",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Hello SciPy\n"
]
}
],
"source": [
"print('Hello SciPy')"
]
},
{ {
"cell_type": "markdown", "cell_type": "markdown",
"id": "93c6b037-12cd-4ca7-9958-200c6cde402b", "id": "93c6b037-12cd-4ca7-9958-200c6cde402b",
...@@ -101,9 +119,12 @@ ...@@ -101,9 +119,12 @@
"\n", "\n",
"处于编辑模式时，下列快捷键很有用：\n", "处于编辑模式时，下列快捷键很有用：\n",
"- `Ctrl-Enter` : 运行本单元\n", "- `Ctrl-Enter` : 运行本单元\n",
"- `Shift-Enter` : 运行本单元，选中下个单元\n",
"- `Alt-Enter` : 运行本单元，在其下插入新单元\n",
"- `Ctrl-Home` : 跳到单元开头\n", "- `Ctrl-Home` : 跳到单元开头\n",
"- `Ctrl-S` : 文件存盘\n", "- `Ctrl-S` : 文件存盘\n",
"- `Shift-Tab` : 提示\n", "- `Tab` : 代码补全或缩进\n",
"- `Shift-Tab` : 查看对应帮助文档\n",
"\n", "\n",
"可在命令模式按`H`或进入`Help > Keyboard Shortcuts`。可以查看键盘快捷键完整列表。如下：\n", "可在命令模式按`H`或进入`Help > Keyboard Shortcuts`。可以查看键盘快捷键完整列表。如下：\n",
"- `命令模式` (按键 Esc 开启)\n", "- `命令模式` (按键 Esc 开启)\n",
......
005-Magic命令篇.ipynb 0 → 100644
浏览文件 @ 28c95707
{
"cells": [
{
"cell_type": "markdown",
"id": "93215a6e-e7c9-45d6-85ee-add3be19678a",
"metadata": {},
"source": [
"在Ipython 或 Jupyter Notebook 中，我们可以使用魔法命令来执行一些操作，如下所示："
]
},
{
"cell_type": "code",
"execution_count": 1,
"id": "a7fca22d-d6a7-414b-8f1e-6ecd0ecf9712",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" 驱动器 E 中的卷没有标签。\n",
" 卷的序列号是 1796-1B67\n",
"\n",
" E:\\Jupyter\\CodingHere\\jupyter-101 的目录\n",
"\n",
"2021/07/21 17:54 <DIR> .\n",
"2021/07/21 17:54 <DIR> ..\n",
"2021/07/20 16:03 83 .gitignore\n",
"2021/07/20 16:03 616 .ipynb\n",
"2021/07/21 17:52 <DIR> .ipynb_checkpoints\n",
"2021/07/21 10:56 447,926 001-install.ipynb\n",
"2021/07/21 16:57 6,891 002-demo.ipynb\n",
"2021/07/21 10:35 6,919 003-about-jupyter-notebook.ipynb\n",
"2021/07/21 10:35 23,723 004-Exercise.ipynb\n",
"2021/07/21 17:01 8,153 005-Exercise-1.ipynb\n",
"2021/07/21 17:54 562 005-Magic命令篇.ipynb\n",
"2021/07/20 16:03 1,494 drawio.dio\n",
"2021/07/20 16:03 44,209 jupyterlab_language_pack_zh_CN-0.0.1.dev0-py2.py3-none-any.whl\n",
"2021/07/21 17:50 11,316 Untitled.ipynb\n",
"2021/07/21 17:42 395,492 使用小技巧.ipynb\n",
"2021/07/21 10:35 3,832 问题记录.md\n",
" 13 个文件 951,216 字节\n",
" 3 个目录 89,751,576,576 可用字节\n"
]
}
],
"source": [
"%ls"
]
},
{
"cell_type": "markdown",
"id": "b37dd737-6639-4289-86a5-7d3f4e585fac",
"metadata": {},
"source": [
"魔法命令可以实现很方便地在Ipython中与本机上的一些资源进行交互操作。Jupyter Notebook和Jupyter Lab中支持的魔法命令，其实是由Ipython内核来提供支持的，见Ipython magic command官网。\n",
"\n",
"Ipython的魔法命令分line magic和cell magic两种，\n",
"\n",
"line magic：是只针对当前行生效的方法，使用魔法命令时只需要用一个%前缀\n",
"\n",
"cell magic：是针对当前整个代码输入框（在Jupyter中，一个代码输入框通常称为cell）生效的方法，使用魔法命令时只需要用两个%前缀，也就是%%\n",
"\n",
"IPython中的魔法命令有很多，执行`%lsmagic`命令，即可查看所有的魔法命令，如下所示："
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "7b63b98a-1c63-4389-b4a9-b67312e51480",
"metadata": {},
"outputs": [
{
"data": {
"application/json": {
"cell": {
"!": "OSMagics",
"HTML": "Other",
"SVG": "Other",
"bash": "Other",
"capture": "ExecutionMagics",
"cmd": "Other",
"debug": "ExecutionMagics",
"file": "Other",
"html": "DisplayMagics",
"javascript": "DisplayMagics",
"js": "DisplayMagics",
"latex": "DisplayMagics",
"markdown": "DisplayMagics",
"perl": "Other",
"prun": "ExecutionMagics",
"pypy": "Other",
"python": "Other",
"python2": "Other",
"python3": "Other",
"ruby": "Other",
"script": "ScriptMagics",
"sh": "Other",
"svg": "DisplayMagics",
"sx": "OSMagics",
"system": "OSMagics",
"time": "ExecutionMagics",
"timeit": "ExecutionMagics",
"writefile": "OSMagics"
},
"line": {
"alias": "OSMagics",
"alias_magic": "BasicMagics",
"autoawait": "AsyncMagics",
"autocall": "AutoMagics",
"automagic": "AutoMagics",
"autosave": "KernelMagics",
"bookmark": "OSMagics",
"cd": "OSMagics",
"clear": "KernelMagics",
"cls": "KernelMagics",
"colors": "BasicMagics",
"conda": "PackagingMagics",
"config": "ConfigMagics",
"connect_info": "KernelMagics",
"copy": "Other",
"ddir": "Other",
"debug": "ExecutionMagics",
"dhist": "OSMagics",
"dirs": "OSMagics",
"doctest_mode": "BasicMagics",
"echo": "Other",
"ed": "Other",
"edit": "KernelMagics",
"env": "OSMagics",
"gui": "BasicMagics",
"hist": "Other",
"history": "HistoryMagics",
"killbgscripts": "ScriptMagics",
"ldir": "Other",
"less": "KernelMagics",
"load": "CodeMagics",
"load_ext": "ExtensionMagics",
"loadpy": "CodeMagics",
"logoff": "LoggingMagics",
"logon": "LoggingMagics",
"logstart": "LoggingMagics",
"logstate": "LoggingMagics",
"logstop": "LoggingMagics",
"ls": "Other",
"lsmagic": "BasicMagics",
"macro": "ExecutionMagics",
"magic": "BasicMagics",
"matplotlib": "PylabMagics",
"mkdir": "Other",
"more": "KernelMagics",
"notebook": "BasicMagics",
"page": "BasicMagics",
"pastebin": "CodeMagics",
"pdb": "ExecutionMagics",
"pdef": "NamespaceMagics",
"pdoc": "NamespaceMagics",
"pfile": "NamespaceMagics",
"pinfo": "NamespaceMagics",
"pinfo2": "NamespaceMagics",
"pip": "PackagingMagics",
"popd": "OSMagics",
"pprint": "BasicMagics",
"precision": "BasicMagics",
"prun": "ExecutionMagics",
"psearch": "NamespaceMagics",
"psource": "NamespaceMagics",
"pushd": "OSMagics",
"pwd": "OSMagics",
"pycat": "OSMagics",
"pylab": "PylabMagics",
"qtconsole": "KernelMagics",
"quickref": "BasicMagics",
"recall": "HistoryMagics",
"rehashx": "OSMagics",
"reload_ext": "ExtensionMagics",
"ren": "Other",
"rep": "Other",
"rerun": "HistoryMagics",
"reset": "NamespaceMagics",
"reset_selective": "NamespaceMagics",
"rmdir": "Other",
"run": "ExecutionMagics",
"save": "CodeMagics",
"sc": "OSMagics",
"set_env": "OSMagics",
"store": "StoreMagics",
"sx": "OSMagics",
"system": "OSMagics",
"tb": "ExecutionMagics",
"time": "ExecutionMagics",
"timeit": "ExecutionMagics",
"unalias": "OSMagics",
"unload_ext": "ExtensionMagics",
"who": "NamespaceMagics",
"who_ls": "NamespaceMagics",
"whos": "NamespaceMagics",
"xdel": "NamespaceMagics",
"xmode": "BasicMagics"
}
},
"text/plain": [
"Available line magics:\n",
"%alias %alias_magic %autoawait %autocall %automagic %autosave %bookmark %cd %clear %cls %colors %conda %config %connect_info %copy %ddir %debug %dhist %dirs %doctest_mode %echo %ed %edit %env %gui %hist %history %killbgscripts %ldir %less %load %load_ext %loadpy %logoff %logon %logstart %logstate %logstop %ls %lsmagic %macro %magic %matplotlib %mkdir %more %notebook %page %pastebin %pdb %pdef %pdoc %pfile %pinfo %pinfo2 %pip %popd %pprint %precision %prun %psearch %psource %pushd %pwd %pycat %pylab %qtconsole %quickref %recall %rehashx %reload_ext %ren %rep %rerun %reset %reset_selective %rmdir %run %save %sc %set_env %store %sx %system %tb %time %timeit %unalias %unload_ext %who %who_ls %whos %xdel %xmode\n",
"\n",
"Available cell magics:\n",
"%%! %%HTML %%SVG %%bash %%capture %%cmd %%debug %%file %%html %%javascript %%js %%latex %%markdown %%perl %%prun %%pypy %%python %%python2 %%python3 %%ruby %%script %%sh %%svg %%sx %%system %%time %%timeit %%writefile\n",
"\n",
"Automagic is ON, % prefix IS NOT needed for line magics."
]
},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%lsmagic"
]
},
{
"cell_type": "markdown",
"id": "ac320e4d-08b5-4638-ae55-a2d9aa3ca9d2",
"metadata": {},
"source": [
"要查看某个魔法命令的用法，可以使用`%{命令名}?`，也就是在命令名后加一个问号，如下所示："
]
},
{
"cell_type": "code",
"execution_count": 7,
"id": "d57ca086-cdd4-460b-b105-6d5d00e5bf4a",
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"\u001b[1;31mDocstring:\u001b[0m\n",
"Return the current working directory path.\n",
"\n",
"Examples\n",
"--------\n",
"::\n",
"\n",
" In [9]: pwd\n",
" Out[9]: '/home/tsuser/sprint/ipython'\n",
"\u001b[1;31mFile:\u001b[0m e:\\anaconda\\lib\\site-packages\\ipython\\core\\magics\\osm.py\n"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"%pwd?"
]
},
{
"cell_type": "markdown",
"id": "8c99641b-b60e-4b05-b484-30f31dfd6b9d",
"metadata": {},
"source": [
"一些常用魔法函数的示例：\n",
"\n",
"|魔法函数|说明|\n",
"|----|----|\n",
"|%pwd|查看当前工作目录|\n",
"|%timeit|测试单行语句的执行时间|\n",
"|%%timeit|测试整个单元中代码的执行时间|\n",
"|%reset|清除全部变量|\n",
"|%run|调用外部python脚本|\n",
"|%env|列出全部环境变量|\n",
"\n",
"- 注意：\n",
" 这些命令是在 Python kernel 中适用的，其他 kernel 不一定适用"
]
}
],
"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": "3.8.8"
}
},
"nbformat": 4,
"nbformat_minor": 5
}
使用小技巧.ipynb 0 → 100644
浏览文件 @ 28c95707
因为 它太大了无法显示 source diff 。你可以改为 查看blob。
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