作业

Day02/.ipynb_checkpoints/day2Notes-checkpoint.ipynb

@@ -8,6 +8,12 @@
     "# 1、Git服务器的使用"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "62509140-276a-4a72-a7e9-7c3803368e60",
+   "metadata": {},
+   "source": []
+  },
   {
    "cell_type": "markdown",
    "id": "5fd42243-063d-4056-bcc8-da35a3775199",
@@ -164,32 +170,9 @@
    "source": []
   },
   {
-   "cell_type": "code",
-   "execution_count": 55,
-   "id": "f08f4004-5a57-4178-8a04-47123ca894ed",
+   "cell_type": "markdown",
+   "id": "393350e0-aab6-4004-8ccd-5dd358e46882",
    "metadata": {},
-   "outputs": [
-    {
-     "ename": "ImportError",
-     "evalue": "cannot import name 'Image' from partially initialized module 'PIL' (most likely due to a circular import) (D:\\Program Files\\python\\python3.11\\PIL.py)",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[1;31mImportError\u001b[0m                               Traceback (most recent call last)",
-      "Cell \u001b[1;32mIn[55], line 2\u001b[0m\n\u001b[0;32m      1\u001b[0m \u001b[38;5;66;03m# 表示图像在页面上输出\u001b[39;00m\n\u001b[1;32m----> 2\u001b[0m \u001b[43mget_ipython\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mrun_line_magic\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[38;5;124;43mmatplotlib\u001b[39;49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[38;5;124;43minline\u001b[39;49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[43m)\u001b[49m\n\u001b[0;32m      3\u001b[0m \u001b[38;5;66;03m# 调用matplotlib的pyplot绘图模块来完成图像显示\u001b[39;00m\n\u001b[0;32m      4\u001b[0m \u001b[38;5;28;01mimport\u001b[39;00m \u001b[38;5;21;01mmatplotlib\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mpyplot\u001b[39;00m \u001b[38;5;28;01mas\u001b[39;00m \u001b[38;5;21;01mplt\u001b[39;00m   \u001b[38;5;66;03m# 取别名，减少输入字符\u001b[39;00m\n",
-      "File \u001b[1;32mD:\\Program Files\\python\\python3.11\\Lib\\site-packages\\IPython\\core\\interactiveshell.py:2417\u001b[0m, in \u001b[0;36mInteractiveShell.run_line_magic\u001b[1;34m(self, magic_name, line, _stack_depth)\u001b[0m\n\u001b[0;32m   2415\u001b[0m     kwargs[\u001b[38;5;124m'\u001b[39m\u001b[38;5;124mlocal_ns\u001b[39m\u001b[38;5;124m'\u001b[39m] \u001b[38;5;241m=\u001b[39m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mget_local_scope(stack_depth)\n\u001b[0;32m   2416\u001b[0m \u001b[38;5;28;01mwith\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mbuiltin_trap:\n\u001b[1;32m-> 2417\u001b[0m     result \u001b[38;5;241m=\u001b[39m \u001b[43mfn\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43margs\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[38;5;241;43m*\u001b[39;49m\u001b[43mkwargs\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m   2419\u001b[0m \u001b[38;5;66;03m# The code below prevents the output from being displayed\u001b[39;00m\n\u001b[0;32m   2420\u001b[0m \u001b[38;5;66;03m# when using magics with decodator @output_can_be_silenced\u001b[39;00m\n\u001b[0;32m   2421\u001b[0m \u001b[38;5;66;03m# when the last Python token in the expression is a ';'.\u001b[39;00m\n\u001b[0;32m   2422\u001b[0m \u001b[38;5;28;01mif\u001b[39;00m \u001b[38;5;28mgetattr\u001b[39m(fn, magic\u001b[38;5;241m.\u001b[39mMAGIC_OUTPUT_CAN_BE_SILENCED, \u001b[38;5;28;01mFalse\u001b[39;00m):\n",
-      "File \u001b[1;32mD:\\Program Files\\python\\python3.11\\Lib\\site-packages\\IPython\\core\\magics\\pylab.py:99\u001b[0m, in \u001b[0;36mPylabMagics.matplotlib\u001b[1;34m(self, line)\u001b[0m\n\u001b[0;32m     97\u001b[0m     \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mAvailable matplotlib backends: \u001b[39m\u001b[38;5;132;01m%s\u001b[39;00m\u001b[38;5;124m\"\u001b[39m \u001b[38;5;241m%\u001b[39m backends_list)\n\u001b[0;32m     98\u001b[0m \u001b[38;5;28;01melse\u001b[39;00m:\n\u001b[1;32m---> 99\u001b[0m     gui, backend \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mshell\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43menable_matplotlib\u001b[49m\u001b[43m(\u001b[49m\u001b[43margs\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mgui\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mlower\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;28;43;01mif\u001b[39;49;00m\u001b[43m \u001b[49m\u001b[38;5;28;43misinstance\u001b[39;49m\u001b[43m(\u001b[49m\u001b[43margs\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mgui\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;28;43mstr\u001b[39;49m\u001b[43m)\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;28;43;01melse\u001b[39;49;00m\u001b[43m \u001b[49m\u001b[43margs\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mgui\u001b[49m\u001b[43m)\u001b[49m\n\u001b[0;32m    100\u001b[0m     \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39m_show_matplotlib_backend(args\u001b[38;5;241m.\u001b[39mgui, backend)\n",
-      "File \u001b[1;32mD:\\Program Files\\python\\python3.11\\Lib\\site-packages\\IPython\\core\\interactiveshell.py:3588\u001b[0m, in \u001b[0;36mInteractiveShell.enable_matplotlib\u001b[1;34m(self, gui)\u001b[0m\n\u001b[0;32m   3567\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21menable_matplotlib\u001b[39m(\u001b[38;5;28mself\u001b[39m, gui\u001b[38;5;241m=\u001b[39m\u001b[38;5;28;01mNone\u001b[39;00m):\n\u001b[0;32m   3568\u001b[0m \u001b[38;5;250m    \u001b[39m\u001b[38;5;124;03m\"\"\"Enable interactive matplotlib and inline figure support.\u001b[39;00m\n\u001b[0;32m   3569\u001b[0m \n\u001b[0;32m   3570\u001b[0m \u001b[38;5;124;03m    This takes the following steps:\u001b[39;00m\n\u001b[1;32m   (...)\u001b[0m\n\u001b[0;32m   3586\u001b[0m \u001b[38;5;124;03m        display figures inline.\u001b[39;00m\n\u001b[0;32m   3587\u001b[0m \u001b[38;5;124;03m    \"\"\"\u001b[39;00m\n\u001b[1;32m-> 3588\u001b[0m     \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mmatplotlib_inline\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mbackend_inline\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m configure_inline_support\n\u001b[0;32m   3590\u001b[0m     \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mIPython\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mcore\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m pylabtools \u001b[38;5;28;01mas\u001b[39;00m pt\n\u001b[0;32m   3591\u001b[0m     gui, backend \u001b[38;5;241m=\u001b[39m pt\u001b[38;5;241m.\u001b[39mfind_gui_and_backend(gui, \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mpylab_gui_select)\n",
-      "File \u001b[1;32mD:\\Program Files\\python\\python3.11\\Lib\\site-packages\\matplotlib_inline\\__init__.py:1\u001b[0m\n\u001b[1;32m----> 1\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01m.\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m backend_inline, config  \u001b[38;5;66;03m# noqa\u001b[39;00m\n\u001b[0;32m      2\u001b[0m __version__ \u001b[38;5;241m=\u001b[39m \u001b[38;5;124m\"\u001b[39m\u001b[38;5;124m0.1.6\u001b[39m\u001b[38;5;124m\"\u001b[39m  \u001b[38;5;66;03m# noqa\u001b[39;00m\n",
-      "File \u001b[1;32mD:\\Program Files\\python\\python3.11\\Lib\\site-packages\\matplotlib_inline\\backend_inline.py:6\u001b[0m\n\u001b[0;32m      1\u001b[0m \u001b[38;5;124;03m\"\"\"A matplotlib backend for publishing figures via display_data\"\"\"\u001b[39;00m\n\u001b[0;32m      3\u001b[0m \u001b[38;5;66;03m# Copyright (c) IPython Development Team.\u001b[39;00m\n\u001b[0;32m      4\u001b[0m \u001b[38;5;66;03m# Distributed under the terms of the BSD 3-Clause License.\u001b[39;00m\n\u001b[1;32m----> 6\u001b[0m \u001b[38;5;28;01mimport\u001b[39;00m \u001b[38;5;21;01mmatplotlib\u001b[39;00m\n\u001b[0;32m      7\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mmatplotlib\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m colors\n\u001b[0;32m      8\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mmatplotlib\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mbackends\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m backend_agg\n",
-      "File \u001b[1;32mD:\\Program Files\\python\\python3.11\\Lib\\site-packages\\matplotlib\\__init__.py:148\u001b[0m\n\u001b[0;32m    144\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mpackaging\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mversion\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m parse \u001b[38;5;28;01mas\u001b[39;00m parse_version\n\u001b[0;32m    146\u001b[0m \u001b[38;5;66;03m# cbook must import matplotlib only within function\u001b[39;00m\n\u001b[0;32m    147\u001b[0m \u001b[38;5;66;03m# definitions, so it is safe to import from it here.\u001b[39;00m\n\u001b[1;32m--> 148\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01m.\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m _api, _version, cbook, _docstring, rcsetup\n\u001b[0;32m    149\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mmatplotlib\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mcbook\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m sanitize_sequence\n\u001b[0;32m    150\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mmatplotlib\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01m_api\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m MatplotlibDeprecationWarning\n",
-      "File \u001b[1;32mD:\\Program Files\\python\\python3.11\\Lib\\site-packages\\matplotlib\\rcsetup.py:27\u001b[0m\n\u001b[0;32m     25\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mmatplotlib\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m _api, cbook\n\u001b[0;32m     26\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mmatplotlib\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mcbook\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m ls_mapper\n\u001b[1;32m---> 27\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mmatplotlib\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mcolors\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m Colormap, is_color_like\n\u001b[0;32m     28\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mmatplotlib\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01m_fontconfig_pattern\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m parse_fontconfig_pattern\n\u001b[0;32m     29\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mmatplotlib\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01m_enums\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m JoinStyle, CapStyle\n",
-      "File \u001b[1;32mD:\\Program Files\\python\\python3.11\\Lib\\site-packages\\matplotlib\\colors.py:51\u001b[0m\n\u001b[0;32m     49\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mnumbers\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m Number\n\u001b[0;32m     50\u001b[0m \u001b[38;5;28;01mimport\u001b[39;00m \u001b[38;5;21;01mre\u001b[39;00m\n\u001b[1;32m---> 51\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mPIL\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m Image\n\u001b[0;32m     52\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mPIL\u001b[39;00m\u001b[38;5;21;01m.\u001b[39;00m\u001b[38;5;21;01mPngImagePlugin\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m PngInfo\n\u001b[0;32m     54\u001b[0m \u001b[38;5;28;01mimport\u001b[39;00m \u001b[38;5;21;01mmatplotlib\u001b[39;00m \u001b[38;5;28;01mas\u001b[39;00m \u001b[38;5;21;01mmpl\u001b[39;00m\n",
-      "File \u001b[1;32mD:\\Program Files\\python\\python3.11\\PIL.py:1\u001b[0m\n\u001b[1;32m----> 1\u001b[0m \u001b[38;5;28;01mfrom\u001b[39;00m \u001b[38;5;21;01mPIL\u001b[39;00m \u001b[38;5;28;01mimport\u001b[39;00m Image\n\u001b[0;32m      2\u001b[0m im\u001b[38;5;241m=\u001b[39mImage\u001b[38;5;241m.\u001b[39mopen(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mD:\u001b[39m\u001b[38;5;130;01m\\\\\u001b[39;00m\u001b[38;5;124mpycodes\u001b[39m\u001b[38;5;130;01m\\\\\u001b[39;00m\u001b[38;5;124mbirdnest.jpg\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n",
-      "\u001b[1;31mImportError\u001b[0m: cannot import name 'Image' from partially initialized module 'PIL' (most likely due to a circular import) (D:\\Program Files\\python\\python3.11\\PIL.py)"
-     ]
-    }
-   ],
    "source": [
     "# 表示图像在页面上输出\n",
     "# %matplotlib inline  \n",
@@ -269,58 +252,10 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 49,
-   "id": "2b30cab2-f838-482d-91fb-6a7fd518731f",
+   "execution_count": null,
+   "id": "f2e228de-b496-4444-bbdb-2f7fe898f65a",
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "106\n",
-      "[[[106  31]\n",
-      "  [106  30]\n",
-      "  [110  31]\n",
-      "  [119  37]\n",
-      "  [131  46]]\n",
-      "\n",
-      " [[112  36]\n",
-      "  [112  34]\n",
-      "  [113  34]\n",
-      "  [121  39]\n",
-      "  [131  46]]\n",
-      "\n",
-      " [[121  43]\n",
-      "  [119  41]\n",
-      "  [119  39]\n",
-      "  [124  41]\n",
-      "  [130  44]]\n",
-      "\n",
-      " [[128  50]\n",
-      "  [127  48]\n",
-      "  [126  45]\n",
-      "  [127  44]\n",
-      "  [131  45]]\n",
-      "\n",
-      " [[133  55]\n",
-      "  [132  52]\n",
-      "  [131  49]\n",
-      "  [131  47]\n",
-      "  [132  46]]]\n"
-     ]
-    },
-    {
-     "ename": "NameError",
-     "evalue": "name 'plt' is not defined",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[1;31mNameError\u001b[0m                                 Traceback (most recent call last)",
-      "Cell \u001b[1;32mIn[49], line 11\u001b[0m\n\u001b[0;32m      9\u001b[0m \u001b[38;5;66;03m#读取块\u001b[39;00m\n\u001b[0;32m     10\u001b[0m \u001b[38;5;28mprint\u001b[39m(img[\u001b[38;5;241m0\u001b[39m:\u001b[38;5;241m5\u001b[39m,\u001b[38;5;241m0\u001b[39m:\u001b[38;5;241m5\u001b[39m,\u001b[38;5;241m0\u001b[39m:\u001b[38;5;241m2\u001b[39m]) \u001b[38;5;66;03m# 0:5 从0行到5行 [0,5]\u001b[39;00m\n\u001b[1;32m---> 11\u001b[0m \u001b[43mplt\u001b[49m\u001b[38;5;241m.\u001b[39mimshow(img[\u001b[38;5;241m0\u001b[39m:\u001b[38;5;241m200\u001b[39m:\u001b[38;5;241m2\u001b[39m,\u001b[38;5;241m100\u001b[39m:\u001b[38;5;241m200\u001b[39m,\u001b[38;5;241m0\u001b[39m:\u001b[38;5;241m3\u001b[39m],cmap\u001b[38;5;241m=\u001b[39m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mgray\u001b[39m\u001b[38;5;124m\"\u001b[39m) \u001b[38;5;66;03m# 显示图像，必须是1，3，4通道\u001b[39;00m\n\u001b[0;32m     12\u001b[0m \u001b[38;5;66;03m# :没有数字开始表示0，结束表示\u001b[39;00m\n\u001b[0;32m     13\u001b[0m \u001b[38;5;66;03m# :200:2表示0到200之间只取偶数行\u001b[39;00m\n\u001b[0;32m     14\u001b[0m img[::\u001b[38;5;241m2\u001b[39m,::\u001b[38;5;241m5\u001b[39m,\u001b[38;5;241m0\u001b[39m:] \u001b[38;5;241m=\u001b[39m \u001b[38;5;241m0\u001b[39m\n",
-      "\u001b[1;31mNameError\u001b[0m: name 'plt' is not defined"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "# bmp:位图 （原始存放像素） ：图像大，不适合网络，图像的保真度很高\n",
     "# jpg：压缩存放：RGB，图像的大小合适，主流的网络图片格式\n",