{
 "cells": [
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   "cell_type": "code",
   "execution_count": 1,
   "id": "d0c20d6e-a68b-4022-85c5-501ba24a01ba",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "123\n"
     ]
    }
   ],
   "source": [
    "print(123)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "91ef11b2-a866-4084-9f9c-9433a12ba191",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "100\n"
     ]
    }
   ],
   "source": [
    "print(100)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "6c0f0083",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[[1 4 7]\n",
      " [2 5 8]\n",
      " [3 6 9]]\n",
      "Transposed Array:\n",
      " [[1 4 7]\n",
      " [2 5 8]\n",
      " [3 6 9]]\n",
      "Array Shape: (3, 3)\n",
      "Array Data Type: int64\n",
      "Array Element Size: 8\n",
      "Array Total Size: 72\n",
      "Element at 1st Row 2nd Column: 2\n",
      "Elements from 1st and 2nd Row, and 1st and 2nd Column:\n",
      " [[1 2]\n",
      " [4 5]]\n",
      "Sum of Array Elements: 45\n",
      "Average of Array Elements: 5.0\n",
      "Maximum Element in Array: 9\n",
      "Minimum Element in Array: 1\n"
     ]
    }
   ],
   "source": [
    "import numpy as np\n",
    "\n",
    "# 生成一个 3x3 的二维数组\n",
    "arr = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])\n",
    "\n",
    "# 转置数组\n",
    "transposed_arr = arr.T\n",
    "print(transposed_arr)\n",
    "import numpy as np\n",
    "\n",
    "# 生成一个 3x3 的二维数组\n",
    "arr = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])\n",
    "\n",
    "# 转置数组\n",
    "transposed_arr = arr.T\n",
    "print(\"Transposed Array:\\n\", transposed_arr)\n",
    "\n",
    "# 数组的形状\n",
    "print(\"Array Shape:\", arr.shape)\n",
    "\n",
    "# 数组的类型\n",
    "print(\"Array Data Type:\", arr.dtype)\n",
    "\n",
    "# 数组元素的字节大小\n",
    "print(\"Array Element Size:\", arr.itemsize)\n",
    "\n",
    "# 数组元素的总字节大小\n",
    "print(\"Array Total Size:\", arr.nbytes)\n",
    "\n",
    "# 访问数组的某个元素\n",
    "print(\"Element at 1st Row 2nd Column:\", arr[0][1])\n",
    "\n",
    "# 访问数组的某个区域\n",
    "print(\"Elements from 1st and 2nd Row, and 1st and 2nd Column:\\n\", arr[:2, :2])\n",
    "\n",
    "# 对数组求和、平均值、最大值、最小值\n",
    "print(\"Sum of Array Elements:\", arr.sum())\n",
    "print(\"Average of Array Elements:\", arr.mean())\n",
    "print(\"Maximum Element in Array:\", arr.max())\n",
    "print(\"Minimum Element in Array:\", arr.min())\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "27161d42",
   "metadata": {},
   "outputs": [],
   "source": [
    "function bubbleSort(arr) {\n",
    "  var len = arr.length;\n",
    "  for (var i = 0; i < len - 1; i++) {\n",
    "    for (var j = 0; j < len - 1 - i; j++) {\n",
    "      if (arr[j] > arr[j + 1]) {\n",
    "        var temp = arr[j + 1];\n",
    "        arr[j + 1] = arr[j];\n",
    "        arr[j] = temp;\n",
    "      }\n",
    "    }\n",
    "  }\n",
    "  return arr;\n",
    "}\n",
    "\n",
    "document.getElementById(\"myBtn\").addEventListener(\"click\", function() {\n",
    "  var arr = [64, 34, 25, 12, 22, 11, 90];\n",
    "  console.log(\"排序前的数组： \" + arr);\n",
    "  bubbleSort(arr);\n",
    "  console.log(\"排序后的数组： \" + arr);\n",
    "});\n"
   ]
  }
 ],
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