init

.ipynb_checkpoints/demo-checkpoint.ipynb

+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "f20c7d3d-2915-490c-974b-6d6b84e4a6d5",
+   "metadata": {},
+   "source": [
+    "# JupyterLab Demo"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "2ff3d4c5-4372-4240-a2a3-e58428efb12d",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "list = [\"xxm\",\"miykael\",\"rose\",\"happy\"]\n",
+    "\n",
+    "print(list[0]);"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "7d8ddfa7-24fb-4983-be50-a9dd925ce1c5",
+   "metadata": {
+    "tags": []
+   },
+   "outputs": [],
+   "source": [
+    "a = 2;\n",
+    "b = 20;\n",
+    "c = a*b + (a + b) + (b/a);\n",
+    "print(int(c));\n",
+    "print(c);"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "1675ef93-41a0-4ebf-bc29-d19b8754bb8a",
+   "metadata": {
+    "tags": []
+   },
+   "source": [
+    "# 叙述性语言\n",
+    "\n",
+    "这里可以放叙述性语言\n",
+    "\n",
+    "> 非常的奈斯，至于这里的 markdown 样式，可以参考 code 或者 blog\n",
+    "\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "93c6b037-12cd-4ca7-9958-200c6cde402b",
+   "metadata": {},
+   "source": [
+    "## JuypterLab 快捷键\n",
+    "\n",
+    "Jupyter Notebook 有两种键盘输入模式。编辑模式，允许你往单元中键入代码或文本；这时的单元框线是绿色的。命令模式，键盘输入运行程序命令；这时的单元框线是灰色。\n",
+    "\n",
+    "- `命令模式` (按键 Esc 开启)\n",
+    "- `Enter` : 转入编辑模式\n",
+    "- `Shift-Enter` : 运行本单元，选中下个单元\n",
+    "- `Ctrl-Enter` : 运行本单元\n",
+    "- `Alt-Enter` : 运行本单元，在其下插入新单元\n",
+    "- `Y` : 单元转入代码状态\n",
+    "- `M` :单元转入markdown状态\n",
+    "- `R` : 单元转入raw状态\n",
+    "- `1` : 设定 1 级标题\n",
+    "- `2` : 设定 2 级标题\n",
+    "- `3` : 设定 3 级标题\n",
+    "- `4` : 设定 4 级标题\n",
+    "- `5` : 设定 5 级标题\n",
+    "- `6` : 设定 6 级标题\n",
+    "- `Up` : 选中上方单元\n",
+    "- `K` : 选中上方单元\n",
+    "- `Down` : 选中下方单元\n",
+    "- `J` : 选中下方单元\n",
+    "- `Shift-K` : 扩大选中上方单元\n",
+    "- `Shift-J` : 扩大选中下方单元\n",
+    "- `A` : 在上方插入新单元\n",
+    "- `B` : 在下方插入新单元\n",
+    "- `X` : 剪切选中的单元\n",
+    "- `C` : 复制选中的单元\n",
+    "- `Shift-V` : 粘贴到上方单元\n",
+    "- `V` : 粘贴到下方单元\n",
+    "- `Z` : 恢复删除的最后一个单元\n",
+    "- `D,D` : 删除选中的单元\n",
+    "- `Shift-M` : 合并选中的单元\n",
+    "- `Ctrl-S` : 文件存盘\n",
+    "- `S` : 文件存盘\n",
+    "- `L` : 转换行号\n",
+    "- `O` : 转换输出\n",
+    "- `Shift-O` : 转换输出滚动\n",
+    "- `Esc` : 关闭页面\n",
+    "- `Q` : 关闭页面\n",
+    "- `H` : 显示快捷键帮助\n",
+    "- `I,I` : 中断Notebook内核\n",
+    "- `0,0` : 重启Notebook内核\n",
+    "- `Shift` : 忽略\n",
+    "- `Shift-Space` : 向上滚动\n",
+    "- `Space` : 向下滚动\n",
+    "- `Tab` : 代码补全或缩进\n",
+    "- `Shift-Tab` : 提示\n",
+    "- `Ctrl-]` : 缩进\n",
+    "- `Ctrl-[` : 解除缩进\n",
+    "- `Ctrl-A` : 全选\n",
+    "- `Ctrl-Z` : 复原\n",
+    "- `Ctrl-Shift-Z` : 再做\n",
+    "- `Ctrl-Y` : 再做\n",
+    "- `Ctrl-Home` : 跳到单元开头\n",
+    "- `Ctrl-Up` : 跳到单元开头\n",
+    "- `Ctrl-End` : 跳到单元末尾\n",
+    "- `Ctrl-Down` : 跳到单元末尾\n",
+    "- `Ctrl-Left` : 跳到左边一个字首\n",
+    "- `Ctrl-Right` : 跳到右边一个字首\n",
+    "- `Ctrl-Backspace` : 删除前面一个字\n",
+    "- `Ctrl-Delete` : 删除后面一个字\n",
+    "- `Esc` : 进入命令模式\n",
+    "- `Ctrl-M` : 进入命令模式\n",
+    "- `Shift-Enter` : 运行本单元，选中下一单元\n",
+    "- `Ctrl-Enter` : 运行本单元\n",
+    "- `Alt-Enter` : 运行本单元，在下面插入一单元\n",
+    "- `Ctrl-Shift--` : 分割单元\n",
+    "- `Ctrl-Shift-Subtract` : 分割单元\n",
+    "- `Ctrl-S` : 文件存盘\n",
+    "- `Shift` : 忽略\n",
+    "- `Up` : 光标上移或转入上一单元\n",
+    "- `Down` :光标下移或转入下一单元\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "04e468e6-2a3d-4afe-8857-79ddc9246def",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "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": "3.9.1"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}

demo.ipynb

+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "f20c7d3d-2915-490c-974b-6d6b84e4a6d5",
+   "metadata": {},
+   "source": [
+    "# JupyterLab Demo"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "2ff3d4c5-4372-4240-a2a3-e58428efb12d",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "xxm\n"
+     ]
+    }
+   ],
+   "source": [
+    "list = [\"xxm\",\"miykael\",\"rose\",\"happy\"]\n",
+    "\n",
+    "print(list[0]);"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "7d8ddfa7-24fb-4983-be50-a9dd925ce1c5",
+   "metadata": {
+    "tags": []
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "72\n",
+      "72.0\n"
+     ]
+    }
+   ],
+   "source": [
+    "a = 2;\n",
+    "b = 20;\n",
+    "c = a*b + (a + b) + (b/a);\n",
+    "print(int(c));\n",
+    "print(c);"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "1675ef93-41a0-4ebf-bc29-d19b8754bb8a",
+   "metadata": {
+    "tags": []
+   },
+   "source": [
+    "# 叙述性语言\n",
+    "\n",
+    "这里可以放叙述性语言\n",
+    "\n",
+    "> 非常的奈斯，至于这里的 markdown 样式，可以参考 code 或者 blog\n",
+    "\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "93c6b037-12cd-4ca7-9958-200c6cde402b",
+   "metadata": {},
+   "source": [
+    "## JuypterLab 快捷键\n",
+    "\n",
+    "Jupyter Notebook 有两种键盘输入模式。编辑模式，允许你往单元中键入代码或文本；这时的单元框线是绿色的。命令模式，键盘输入运行程序命令；这时的单元框线是灰色。\n",
+    "\n",
+    "- `命令模式` (按键 Esc 开启)\n",
+    "- `Enter` : 转入编辑模式\n",
+    "- `Shift-Enter` : 运行本单元，选中下个单元\n",
+    "- `Ctrl-Enter` : 运行本单元\n",
+    "- `Alt-Enter` : 运行本单元，在其下插入新单元\n",
+    "- `Y` : 单元转入代码状态\n",
+    "- `M` :单元转入markdown状态\n",
+    "- `R` : 单元转入raw状态\n",
+    "- `1` : 设定 1 级标题\n",
+    "- `2` : 设定 2 级标题\n",
+    "- `3` : 设定 3 级标题\n",
+    "- `4` : 设定 4 级标题\n",
+    "- `5` : 设定 5 级标题\n",
+    "- `6` : 设定 6 级标题\n",
+    "- `Up` : 选中上方单元\n",
+    "- `K` : 选中上方单元\n",
+    "- `Down` : 选中下方单元\n",
+    "- `J` : 选中下方单元\n",
+    "- `Shift-K` : 扩大选中上方单元\n",
+    "- `Shift-J` : 扩大选中下方单元\n",
+    "- `A` : 在上方插入新单元\n",
+    "- `B` : 在下方插入新单元\n",
+    "- `X` : 剪切选中的单元\n",
+    "- `C` : 复制选中的单元\n",
+    "- `Shift-V` : 粘贴到上方单元\n",
+    "- `V` : 粘贴到下方单元\n",
+    "- `Z` : 恢复删除的最后一个单元\n",
+    "- `D,D` : 删除选中的单元\n",
+    "- `Shift-M` : 合并选中的单元\n",
+    "- `Ctrl-S` : 文件存盘\n",
+    "- `S` : 文件存盘\n",
+    "- `L` : 转换行号\n",
+    "- `O` : 转换输出\n",
+    "- `Shift-O` : 转换输出滚动\n",
+    "- `Esc` : 关闭页面\n",
+    "- `Q` : 关闭页面\n",
+    "- `H` : 显示快捷键帮助\n",
+    "- `I,I` : 中断Notebook内核\n",
+    "- `0,0` : 重启Notebook内核\n",
+    "- `Shift` : 忽略\n",
+    "- `Shift-Space` : 向上滚动\n",
+    "- `Space` : 向下滚动\n",
+    "- `Tab` : 代码补全或缩进\n",
+    "- `Shift-Tab` : 提示\n",
+    "- `Ctrl-]` : 缩进\n",
+    "- `Ctrl-[` : 解除缩进\n",
+    "- `Ctrl-A` : 全选\n",
+    "- `Ctrl-Z` : 复原\n",
+    "- `Ctrl-Shift-Z` : 再做\n",
+    "- `Ctrl-Y` : 再做\n",
+    "- `Ctrl-Home` : 跳到单元开头\n",
+    "- `Ctrl-Up` : 跳到单元开头\n",
+    "- `Ctrl-End` : 跳到单元末尾\n",
+    "- `Ctrl-Down` : 跳到单元末尾\n",
+    "- `Ctrl-Left` : 跳到左边一个字首\n",
+    "- `Ctrl-Right` : 跳到右边一个字首\n",
+    "- `Ctrl-Backspace` : 删除前面一个字\n",
+    "- `Ctrl-Delete` : 删除后面一个字\n",
+    "- `Esc` : 进入命令模式\n",
+    "- `Ctrl-M` : 进入命令模式\n",
+    "- `Shift-Enter` : 运行本单元，选中下一单元\n",
+    "- `Ctrl-Enter` : 运行本单元\n",
+    "- `Alt-Enter` : 运行本单元，在下面插入一单元\n",
+    "- `Ctrl-Shift--` : 分割单元\n",
+    "- `Ctrl-Shift-Subtract` : 分割单元\n",
+    "- `Ctrl-S` : 文件存盘\n",
+    "- `Shift` : 忽略\n",
+    "- `Up` : 光标上移或转入上一单元\n",
+    "- `Down` :光标下移或转入下一单元\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "04e468e6-2a3d-4afe-8857-79ddc9246def",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "5707d964-4649-4ad9-8532-617e223cf754",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "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": "3.9.1"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}