{"id":10020878,"date":"2025-07-04T10:31:43","date_gmt":"2025-07-04T02:31:43","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020878"},"modified":"2025-07-04T10:31:43","modified_gmt":"2025-07-04T02:31:43","slug":"ai-%e5%a4%a7%e6%a8%a1%e5%9e%8b%e5%ba%94%e7%94%a8%e8%bf%9b%e9%98%b6%e7%b3%bb%e5%88%97%ef%bc%88%e4%b8%80%ef%bc%89%ef%bc%9apython-%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020878","title":{"rendered":"AI \u5927\u6a21\u578b\u5e94\u7528\u8fdb\u9636\u7cfb\u5217\uff08\u4e00\uff09\uff1aPython \u57fa\u7840"},"content":{"rendered":"

\u672c\u6587\u5df2\u540c\u6b65\u5230github AI \u5927\u6a21\u578b\u5e94\u7528\u8fdb\u9636\u7cfb\u5217\uff08\u4e00\uff09\uff1aPython \u57fa\u7840<\/a>\uff0c\u6b22\u8fceStar\u3002<\/p>\n

\u6570\u636e\u7c7b\u578b<\/h2>\n

\u6570\u5b57<\/h3>\n

\u5728 Python \u4e2d\uff0c\u6570\u5b57\u7c7b\u578b\u662f\u57fa\u672c\u6570\u636e\u7c7b\u578b\u4e4b\u4e00\uff0c\u7528\u4e8e\u8868\u793a\u6570\u503c<\/p><\/blockquote>\n

    \n
  • \n

    \u6574\u6570<\/p>\n

      a = 10        # \u5341\u8fdb\u5236\u6574\u6570\n  b = 0b1010    # \u4e8c\u8fdb\u5236\u6574\u6570\uff08\u7b49\u4e8e\u5341\u8fdb\u5236\u768410\uff09\n  c = 0o12      # \u516b\u8fdb\u5236\u6574\u6570\uff08\u7b49\u4e8e\u5341\u8fdb\u5236\u768410\uff09\n  d = 0xA       # \u5341\u516d\u8fdb\u5236\u6574\u6570\uff08\u7b49\u4e8e\u5341\u8fdb\u5236\u768410\uff09\n\n  print(a, b, c, d)  # \u8f93\u51fa: 10 10 10 10<\/code><\/pre>\n<\/li>\n
  • \n
    \u6d6e\u70b9\u6570<\/p>\n
        x = 3.14\n    y = 1.23e-4  # \u79d1\u5b66\u8ba1\u6570\u6cd5\uff0c\u8868\u793a1.23\u00d710\u207b\u2074\uff0c\u53730.000123\n\n    print(x, y)  # \u8f93\u51fa: 3.14 0.000123<\/code><\/pre>\n<\/li>\n<\/ul>\n
    \u5b57\u7b26\u4e32<\/h3>\n
    \u5728 Python \u4e2d\uff0c\u5b57\u7b26\u4e32\u5c5e\u4e8e\u5185\u7f6e\u7684\u6570\u636e\u7c7b\u578b\uff0c\u7528\u4e8e\u8868\u793a\u6587\u672c\u6570\u636e<\/p><\/blockquote>\n
      \n
    • \n
      \u57fa\u672c\u5b57\u7b26\u4e32<\/p>\n
      name="\u5c0f\u660e"\nage="18"\nprint(f{{name}\u4eca\u5e74{age}\u5c81) \/\/ \u8f93\u51fa: \u5c0f\u660e\u4eca\u5e7418\u5c81<\/code><\/pre>\n<\/li>\n
    • \n
      \u8f6c\u4e49\u5b57\u7b26\u4e32<\/p>\n
      text="\u8f6c\u4e49\/"python\/""<\/code><\/pre>\n<\/li>\n
    • \n
      \u4e09\u5f15\u53f7\u5b57\u7b26\u4e32<\/p>\n
        \n
      • \n
        \u5305\u542b\u591a\u884c\u6587\u672c\uff0c\u4fdd\u7559\u6240\u6709\u6362\u884c\u548c\u7a7a\u683c<\/p>\n
        """\n\u4f60\u597d\uff0c\nPython\n"""<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n
      • \n
        \u5b57\u7b26\u4e32\u62fc\u63a5<\/p>\n
          \n
        • \n
          \u5f53\u548c\u6570\u5b57\u6570\u5b57\u62fc\u63a5\u65f6\uff0c\u9700\u8981\u5148\u5c06\u6570\u5b57\u8f6c\u5316\u4e3a\u5b57\u7b26\u4e32<\/p>\n
          name = "\u5c0f\u660e"\nage = 18\n\nmessage = "name" + str(age) + "\u5c81"\nprint(message)\nprint(f"{name} \u4eca\u5e74 {str(age)} \u5c81")<\/code><\/pre>\n
            \n
          • \n
            \u7d22\u5f15<\/p>\n
            name = "python"\nprint(name[0]) \u8f93\u51fa\u7b2c\u4e00\u4e2a\u5b57\u7b26 p\nprint(name[-1]) \u8f93\u51fa\u6700\u540e\u4e00\u4e2a\u5b57\u7b26 n<\/code><\/pre>\n<\/li>\n
          • \u5207\u7247<\/li>\n<\/ul>\n
            str = "Hello, world!" \nprint(str[0:6]) # \u8f93\u51fa\uff1aHello\uff08\u4ece\u7b2c0\u5230\u7b2c4\u4e2a\u5b57\u7b26\uff0c\u4e0d\u5305\u62ec\u7b2c6\u4e2a\uff09\nprint(str[6:]) # \u8f93\u51fa\uff1aworld!\uff08\u4ece\u7b2c6\u4e2a\u5b57\u7b26\u5230\u7ed3\u5c3e\uff09 \nprint(str[:6]) # \u8f93\u51fa\uff1aHello\uff08\u4ece\u5f00\u5934\u5230\u7b2c5\u4e2a\u5b57\u7b26\uff09<\/code><\/pre>\n
              \n
            • \u65b9\u6cd5<\/li>\n
            • \n
              lower \u5168\u90e8\u8f6c\u6362\u4e3a\u5c0f\u5199<\/p>\n
                str = "Hello, World"\n  print(str.lower()) \u8f93\u51fa "hello, world"<\/code><\/pre>\n<\/li>\n
            • \n
              upper \u5168\u90e8\u8f6c\u6362\u4e3a\u5927\u5199<\/p>\n
                str = "Hello, World"\n  print(str.lower()) \u8f93\u51fa "HELLO, WORLD"<\/code><\/pre>\n<\/li>\n
            • \n
              find \u67e5\u627e\u5b57\u7b26\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u4f4d\u7f6e<\/p>\n
                str = "Hello, World"\n  print(str.find("World")) \u8f93\u51fa 6<\/code><\/pre>\n<\/li>\n
            • \n
              replace \u66ff\u6362<\/p>\n
                 str = "Hello, World"\n  print(str.replace("World", "Python")) \u66ff\u6362\u6240\u6709"World"\u4e3a"Python"<\/code><\/pre>\n<\/li>\n
            • \n
              format \u7528{}\u5360\u4f4d\uff0c\u540e\u9762\u7528format\u586b\u5145<\/p>\n
                name = "\u5c0f\u660e" \n  age = 18\n  print("{}\u4eca\u5e74{}\u5c81".format(name, age)) \u8f93\u51fa:\u5c0f\u660e\u4eca\u5e7418\u5c81 <\/code><\/pre>\n<\/li>\n
            • \n
              f-string<\/p>\n
                name = "\u5c0f\u660e" \n  age = 18\n  print(f"{name}\u4eca\u5e74{age}\u5c81") \u8f93\u51fa:\u5c0f\u660e\u4eca\u5e7418\u5c81 <\/code><\/pre>\n<\/li>\n
            • encode<\/li>\n
            • decode<\/li>\n
            • startWith<\/li>\n
            • endWidth<\/li>\n
            • isdigit<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
              \u5e03\u5c14\u503c<\/h3>\n
                \n
              • True<\/li>\n
              • False<\/li>\n<\/ul>\n
                \u7a7a\u503c<\/h3>\n
                  \n
                • \n
                  \u8868\u793a\u4ec0\u4e48\u90fd\u6ca1\u6709<\/p>\n
                  name = None<\/code><\/pre>\n<\/li>\n<\/ul>\n
                  \u5217\u8868<\/h3>\n
                  \u5217\u8868\uff08List\uff09\u5c5e\u4e8e\u5185\u7f6e\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u662f\u4e00\u79cd\u53ef\u53d8\u7684\u6709\u5e8f\u5e8f\u5217\uff0c\u80fd\u591f\u5b58\u653e\u5404\u79cd\u7c7b\u578b\u7684\u5143\u7d20<\/p><\/blockquote>\n
                  \u521b\u5efa<\/h4>\n
                  list = ["a", "b", "c"]\nprint(list[0]) # \u8f93\u51fa\u7b2c\u4e00\u4e2a\u5143\u7d20\uff1aa\nprint(list[1]) # \u8f93\u51fa\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff1ab\nprint(list[2]) # \u8f93\u51fa\u7b2c\u4e09\u4e2a\u5143\u7d20\uff1ac\nprint(list[-1]) # \u8f93\u51fa\u6700\u540e\u4e00\u4e2a\u5143\u7d20\nprint(list[-2]) # \u8f93\u51fa\u5012\u6570\u7b2c\u4e8c\u4e2a\u5143\u7d20\nprint(list[3]) # \u62a5\u9519\uff1aIndexError: list index out of range<\/code><\/pre>\n
                  \u6dfb\u52a0<\/h4>\n
                  list = ["a", "b", "c"]\nlist.append('d')\nprint(list) # \u8f93\u51fa ["a", "b", "c", "d"]<\/code><\/pre>\n
                  \u63d2\u5165<\/h4>\n
                  list = ["a", "b", "c"]\n# \u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\nlist.insert(1, "e")\nprint(list) # \u8f93\u51fa ["a", "e", "b", "c"]<\/code><\/pre>\n
                  \u4fee\u6539<\/h4>\n
                  list = ["a", "b", "c"]\nlist[1] = "d"\nprint(list) # \u8f93\u51fa ["a", "d", "c"]<\/code><\/pre>\n
                  \u5220\u9664<\/h4>\n
                  list = ["a", "b", "c"]\nconst item = list.pop()\nprint(item) # \u8f93\u51fa a\nprint(list) # \u8f93\u51fa ['b', 'c']<\/code><\/pre>\n
                  \u5143\u7956<\/h3>\n
                  \u5143\u7ec4\uff08tuple\uff09<\/strong> \u00a0\u662f\u4e00\u79cd\u4e0d\u53ef\u53d8\u7684\u5e8f\u5217\u7c7b\u578b\uff0c\u7528\u4e8e\u5b58\u50a8\u591a\u4e2a\u5143\u7d20<\/p><\/blockquote>\n
                  \u521b\u5efa<\/h4>\n
                  tuple = ('a', 'b', 'c')\nprint(tuple) # \u8f93\u51fa ('a', 'b', 'c')<\/code><\/pre>\n
                  \u8bbf\u95ee<\/h4>\n
                  tuple = ('a', 'b', 'c')\nitem = tuple[1] # \u8f93\u51fa 'b'\nitem2 = tuple[-1] # \u8f93\u51fa 'c'<\/code><\/pre>\n
                  \u4e0d\u53ef\u53d8\u6027<\/h4>\n
                  tuple = ('a', 'b', 'c')\ntuple[1] = 'd' # TypeError: 'tuple' object does not support item assignment<\/code><\/pre>\n
                  \u53ef\u4ee5\u5305\u542b\u53ef\u53d8\u5bf9\u8c61<\/h4>\n
                  tuple = ['a', ['b', 'c']]\ntuple[1][0] = 'd'\nprint(tuple) # \u8f93\u51fa ['a', ['d', 'c']]<\/code><\/pre>\n
                  \u5b57\u5178<\/h3>\n
                  \u5b57\u5178\uff08Dictionary\uff09<\/strong> \u00a0\u662f\u4e00\u79cd\u65e0\u5e8f\u3001\u53ef\u53d8\u4e14\u53ef\u8fed\u4ee3\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u952e\u503c\u5bf9\uff08key-value pairs\uff09<\/p><\/blockquote>\n
                  \u521b\u5efa<\/h4>\n
                  # \u65b9\u5f0f1\uff1a\u4f7f\u7528\u82b1\u62ec\u53f7\nempty_dict = {}\nperson = {"name": "zhangsan", "age": 18}\n\n# \u65b9\u5f0f2\uff1a\u4f7f\u7528 dict() \u6784\u9020\u51fd\u6570\ncolors = dict(red="#FF0000", green="#00FF00", blue="#0000FF")\n<\/code><\/pre>\n
                  \u8bbf\u95ee<\/h4>\n
                  person = {"name": "zhangsan", "age": 18}\nprint(person["name"])  # \u8f93\u51fa: zhangsan\nprint(person.get("age"))  # \u8f93\u51fa: 18 (\u63a8\u8350\u4f7f\u7528 get \u65b9\u6cd5)<\/code><\/pre>\n
                  \u6dfb\u52a0<\/h4>\n
                  person = {"name": "zhangsan", "age": 18}\nperson["city"] = "Beijing"  # \u6dfb\u52a0\u65b0\u952e "city"\nprint(person) # {'name': 'zhangsan', 'age': 18, 'city': 'Beijing'}<\/code><\/pre>\n
                  \u4fee\u6539<\/h4>\n
                  person = {"name": "zhangsan", "age": 18}\nperson["name"] = "lisi"\nprint(person) # {'name': 'lisi', 'age': 18}<\/code><\/pre>\n
                  \u83b7\u53d6<\/h4>\n
                  person = {"name": "zhangsan", "age": 18}\n\nprint(person["name"]) # \u8f93\u51fazhangsan\nprint(person["city"]) # \u62a5\u9519 KeyError: 'city'\n\nprint(person.get("name")) # \u8f93\u51fa zhangsan\nprint(person.get("city")) # \u8f93\u51fa None \u67e5\u4e0d\u5230\u65f6\u8fd4\u56deNone\nprint(person.get("job", "IT")) # \u8f93\u51fa IT \u9ed8\u8ba4\u503c\n<\/code><\/pre>\n
                  \u5220\u9664<\/h4>\n
                  person = {"name": "zhangsan", "age": 18 }\nname = person.pop("name")\nprint(name) # \u8f93\u51fa zhangsan\nprint(person) # \u8f93\u51fa {'age': 18 }<\/code><\/pre>\n
                  \u96c6\u5408<\/h3>\n
                  \u5728 Python \u4e2d\uff0c\u96c6\u5408\uff08Set\uff09\u662f\u4e00\u79cd\u65e0\u5e8f\u4e14\u5143\u7d20\u552f\u4e00\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5c5e\u4e8e\u5185\u7f6e\u7684\u6570\u636e\u7c7b\u578b\u4e4b\u4e00<\/p><\/blockquote>\n
                  \u521b\u5efa<\/h4>\n
                  # \u521b\u5efa\u5305\u542b\u5143\u7d20\u7684\u96c6\u5408\nset = {"a", "b", "c"}\nprint(set)  # \u8f93\u51fa: {'a', 'b', 'c'}\n\n# \u96c6\u5408\u4f1a\u81ea\u52a8\u53bb\u91cd\nnumbers = {1, 2, 2, 3, 3, 3}\nprint(numbers)  # \u8f93\u51fa: {1, 2, 3}<\/code><\/pre>\n
                  # \u4ece\u5217\u8868\u521b\u5efa\u96c6\u5408\nset = set(["a", "b", "c"])\nprint(colors)  # \u8f93\u51fa: {'a', 'b', 'c'}\n\n# \u521b\u5efa\u7a7a\u96c6\u5408\uff08\u5fc5\u987b\u7528 set()\uff0c\u56e0\u4e3a {} \u8868\u793a\u7a7a\u5b57\u5178\uff09\nempty_set = set()\nprint(type(empty_set))  # \u8f93\u51fa: <class 'set'><\/code><\/pre>\n
                  \u6dfb\u52a0<\/h4>\n
                  set = {"a", "b", "c"}\nset.add('d')\nprint(set) # \u8f93\u51fa {'d', 'a', 'c', 'b'}<\/code><\/pre>\n
                  \u5220\u9664<\/h4>\n
                  set = {"a", "b", "c"}\nset.remove('a')\nprint(set) # \u8f93\u51fa {'b', 'c'}<\/code><\/pre>\n
                  \u51fd\u6570<\/h3>\n
                  \u5728 Python \u4e2d\uff0c\u51fd\u6570\u662f\u7ec4\u7ec7\u597d\u7684\u3001\u53ef\u91cd\u590d\u4f7f\u7528\u7684\u4ee3\u7801\u5757\uff0c\u7528\u4e8e\u6267\u884c\u5355\u4e00\u6216\u76f8\u5173\u8054\u7684\u4efb\u52a1\u3002\u51fd\u6570\u4f7f\u4ee3\u7801\u66f4\u6a21\u5757\u5316\u3001\u66f4\u6613\u8bfb\u4e14\u6613\u4e8e\u7ef4\u62a4\u3002\u4ee5\u4e0b\u662f\u5173\u4e8e Python \u51fd\u6570\u5b9a\u4e49\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff1a<\/p><\/blockquote>\n
                  \u51fd\u6570\u5b9a\u4e49<\/h4>\n
                  def function_name(parameters):\n    """\u51fd\u6570\u6587\u6863\u5b57\u7b26\u4e32\uff08\u53ef\u9009\uff09"""\n    # \u51fd\u6570\u4f53\n    return [expression]  # \u8fd4\u56de\u8bed\u53e5\uff08\u53ef\u9009\uff09<\/code><\/pre>\n
                  \u8fd4\u56de\u503c<\/h4>\n
                  def calculate(a, b):\n    return a + b, a - b, a * b\n\nsum_result, diff_result, prod_result = calculate(10, 5)\nprint(sum_result)    # \u8f93\u51fa: 15\nprint(diff_result)   # \u8f93\u51fa: 5\nprint(prod_result)   # \u8f93\u51fa: 50<\/code><\/pre>\n
                  \u533f\u540d\u51fd\u6570<\/h4>\n
                  square = lambda x: x ** 2\nprint(square(4))  # \u8f93\u51fa: 16\n\n# \u7ed3\u5408\u5185\u7f6e\u51fd\u6570\u4f7f\u7528\nnumbers = [1, 2, 3, 4, 5]\nsquared_numbers = list(map(lambda x: x ** 2, numbers))\nprint(squared_numbers)  # \u8f93\u51fa: [1, 4, 9, 16, 25]<\/code><\/pre>\n
                  \u9ad8\u9636\u51fd\u6570<\/h4>\n
                  \u6709\u4e9b\u51fd\u6570\u53ef\u4ee5\u63a5\u53d7\u5176\u4ed6\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\uff0c\u6216\u8005\u628a\u51fd\u6570\u4f5c\u4e3a\u8fd4\u56de\u503c\uff0c\u8fd9\u6837\u7684\u51fd\u6570\u88ab\u79f0\u4e3a\u9ad8\u9636\u51fd\u6570<\/p><\/blockquote>\n
                  def apply_operation(func, a, b):\n    return func(a, b)\n\nresult = apply_operation(lambda x, y: x + y, 3, 4)\nprint(result)  # \u8f93\u51fa: 7<\/code><\/pre>\n
                  \u751f\u6210\u5668\u51fd\u6570<\/h4>\n
                  def count_up_to(n):\n    i = 1\n    while i <= n:\n        yield i\n        i += 1\n\ncounter = count_up_to(3)\nprint(next(counter))  # \u8f93\u51fa: 1\nprint(next(counter))  # \u8f93\u51fa: 2\nprint(next(counter))  # \u8f93\u51fa: 3<\/code><\/pre>\n
                  \u5185\u7f6e\u51fd\u6570<\/h4>\n
                  1. \u6570\u636e\u7c7b\u578b\u8f6c\u6362<\/strong><\/h5>\n\n\n\n\n\n\n\n\n\n\n\n\n
                  \u51fd\u6570<\/th>\n\u529f\u80fd<\/th>\n\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
                  int(x)<\/code><\/td>\n\u5c06\u00a0x<\/code>\u00a0\u8f6c\u6362\u4e3a\u6574\u6570<\/td>\nint("10") \u2192 10<\/code><\/td>\n<\/tr>\n
                  float(x)<\/code><\/td>\n\u5c06\u00a0x<\/code>\u00a0\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570<\/td>\nfloat("3.14") \u2192 3.14<\/code><\/td>\n<\/tr>\n
                  str(x)<\/code><\/td>\n\u5c06\u00a0x<\/code>\u00a0\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/td>\nstr(42) \u2192 "42"<\/code><\/td>\n<\/tr>\n
                  bool(x)<\/code><\/td>\n\u5c06\u00a0x<\/code>\u00a0\u8f6c\u6362\u4e3a\u5e03\u5c14\u503c\uff08True<\/code>\/False<\/code>\uff09<\/td>\nbool(0) \u2192 False<\/code><\/td>\n<\/tr>\n
                  list(x)<\/code><\/td>\n\u5c06\u00a0x<\/code>\u00a0\u8f6c\u6362\u4e3a\u5217\u8868<\/td>\nlist("abc") \u2192 ['a', 'b', 'c']<\/code><\/td>\n<\/tr>\n
                  tuple(x)<\/code><\/td>\n\u5c06\u00a0x<\/code>\u00a0\u8f6c\u6362\u4e3a\u5143\u7ec4<\/td>\ntuple([1,2]) \u2192 (1,2)<\/code><\/td>\n<\/tr>\n
                  dict(x)<\/code><\/td>\n\u5c06\u00a0x<\/code>\u00a0\u8f6c\u6362\u4e3a\u5b57\u5178<\/td>\ndict([('a',1)]) \u2192 {'a':1}<\/code><\/td>\n<\/tr>\n
                  set(x)<\/code><\/td>\n\u5c06\u00a0x<\/code>\u00a0\u8f6c\u6362\u4e3a\u96c6\u5408<\/td>\nset([1,1,2]) \u2192 {1,2}<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  2. \u6570\u5b66\u8fd0\u7b97<\/strong><\/h5>\n\n\n\n\n\n\n\n\n\n
                  \u51fd\u6570<\/th>\n\u529f\u80fd<\/th>\n\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
                  abs(x)<\/code><\/td>\n\u8fd4\u56de\u00a0x<\/code>\u00a0\u7684\u7edd\u5bf9\u503c<\/td>\nabs(-5) \u2192 5<\/code><\/td>\n<\/tr>\n
                  round(x, n)<\/code><\/td>\n\u5bf9\u00a0x<\/code>\u00a0\u56db\u820d\u4e94\u5165\uff0c\u4fdd\u7559\u00a0n<\/code>\u00a0\u4f4d\u5c0f\u6570<\/td>\nround(3.1415, 2) \u2192 3.14<\/code><\/td>\n<\/tr>\n
                  max(iterable)<\/code><\/td>\n\u8fd4\u56de\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u6700\u5927\u503c<\/td>\nmax([1,5,3]) \u2192 5<\/code><\/td>\n<\/tr>\n
                  min(iterable)<\/code><\/td>\n\u8fd4\u56de\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u7684\u6700\u5c0f\u503c<\/td>\nmin([1,5,3]) \u2192 1<\/code><\/td>\n<\/tr>\n
                  sum(iterable)<\/code><\/td>\n\u8fd4\u56de\u53ef\u8fed\u4ee3\u5bf9\u8c61\u4e2d\u6240\u6709\u5143\u7d20\u7684\u548c<\/td>\nsum([1,2,3]) \u2192 6<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  3. \u8fed\u4ee3\u4e0e\u5e8f\u5217\u64cd\u4f5c<\/strong><\/h5>\n\n\n\n\n\n\n\n\n\n\n
                  \u51fd\u6570<\/th>\n\u529f\u80fd<\/th>\n\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
                  len(x)<\/code><\/td>\n\u8fd4\u56de\u5bf9\u8c61\u7684\u957f\u5ea6\u6216\u5143\u7d20\u4e2a\u6570<\/td>\nlen("abc") \u2192 3<\/code><\/td>\n<\/tr>\n
                  sorted(x)<\/code><\/td>\n\u8fd4\u56de\u6392\u5e8f\u540e\u7684\u65b0\u5217\u8868\uff08\u539f\u5217\u8868\u4e0d\u53d8\uff09<\/td>\nsorted([3,1,2]) \u2192 [1,2,3]<\/code><\/td>\n<\/tr>\n
                  reversed(x)<\/code><\/td>\n\u8fd4\u56de\u53cd\u5411\u8fed\u4ee3\u5668<\/td>\nlist(reversed([1,2])) \u2192 [2,1]<\/code><\/td>\n<\/tr>\n
                  range(start, stop, step)<\/code><\/td>\n\u751f\u6210\u6570\u5b57\u5e8f\u5217<\/td>\nlist(range(0,5,2)) \u2192 [0,2,4]<\/code><\/td>\n<\/tr>\n
                  enumerate(iterable)<\/code><\/td>\n\u8fd4\u56de\u5e26\u7d22\u5f15\u7684\u5143\u7ec4\u8fed\u4ee3\u5668<\/td>\nlist(enumerate("ab")) \u2192 [(0,'a'), (1,'b')]<\/code><\/td>\n<\/tr>\n
                  zip(*iterables)<\/code><\/td>\n\u5c06\u591a\u4e2a\u8fed\u4ee3\u5668\u7684\u5143\u7d20\u6253\u5305\u6210\u5143\u7ec4<\/td>\nlist(zip([1,2], ['a','b'])) \u2192 [(1,'a'), (2,'b')]<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  4. \u8f93\u5165\u8f93\u51fa<\/strong><\/h5>\n\n\n\n\n\n\n
                  \u51fd\u6570<\/th>\n\u529f\u80fd<\/th>\n\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
                  print(*objects)<\/code><\/td>\n\u6253\u5370\u5bf9\u8c61\u5230\u6807\u51c6\u8f93\u51fa<\/td>\nprint("Hello", 42)<\/code><\/td>\n<\/tr>\n
                  input(prompt)<\/code><\/td>\n\u4ece\u6807\u51c6\u8f93\u5165\u8bfb\u53d6\u5b57\u7b26\u4e32\uff08\u5e26\u63d0\u793a\uff09<\/td>\nname = input("\u8bf7\u8f93\u5165\u540d\u5b57: ")<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  5. \u6587\u4ef6\u64cd\u4f5c<\/strong><\/h5>\n\n\n\n\n\n
                  \u51fd\u6570<\/th>\n\u529f\u80fd<\/th>\n\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
                  open(file, mode)<\/code><\/td>\n\u6253\u5f00\u6587\u4ef6\u5e76\u8fd4\u56de\u6587\u4ef6\u5bf9\u8c61<\/td>\nf = open("test.txt", "r")<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  6. \u7c7b\u578b\u4e0e\u5bf9\u8c61\u68c0\u67e5<\/strong><\/h5>\n\n\n\n\n\n\n\n\n
                  \u51fd\u6570<\/th>\n\u529f\u80fd<\/th>\n\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
                  type(x)<\/code><\/td>\n\u8fd4\u56de\u5bf9\u8c61\u7684\u7c7b\u578b<\/td>\ntype(42) \u2192 <class 'int'><\/code><\/td>\n<\/tr>\n
                  isinstance(x, type)<\/code><\/td>\n\u5224\u65ad\u00a0x<\/code>\u00a0\u662f\u5426\u4e3a\u6307\u5b9a\u7c7b\u578b\u7684\u5b9e\u4f8b<\/td>\nisinstance(42, int) \u2192 True<\/code><\/td>\n<\/tr>\n
                  dir(x)<\/code><\/td>\n\u8fd4\u56de\u5bf9\u8c61\u7684\u6240\u6709\u5c5e\u6027\u548c\u65b9\u6cd5\u540d\u79f0<\/td>\ndir([])<\/code>\u00a0\u8fd4\u56de\u5217\u8868\u7684\u6240\u6709\u65b9\u6cd5<\/td>\n<\/tr>\n
                  id(x)<\/code><\/td>\n\u8fd4\u56de\u5bf9\u8c61\u7684\u552f\u4e00\u6807\u8bc6\u7b26\uff08\u5185\u5b58\u5730\u5740\uff09<\/td>\nid(obj)<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  7. \u9ad8\u7ea7\u5185\u7f6e\u51fd\u6570<\/strong><\/h5>\n\n\n\n\n\n\n\n\n
                  \u51fd\u6570<\/th>\n\u529f\u80fd<\/th>\n\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
                  map(func, iterable)<\/code><\/td>\n\u5bf9\u8fed\u4ee3\u5668\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e94\u7528\u51fd\u6570<\/td>\nlist(map(lambda x:x*2, [1,2])) \u2192 [2,4]<\/code><\/td>\n<\/tr>\n
                  filter(func, iterable)<\/code><\/td>\n\u8fc7\u6ee4\u8fed\u4ee3\u5668\u4e2d\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20<\/td>\nlist(filter(lambda x:x>0, [-1,2])) \u2192 [2]<\/code><\/td>\n<\/tr>\n
                  reduce(func, iterable)<\/code><\/td>\n\u7d2f\u79ef\u8ba1\u7b97\u8fed\u4ee3\u5668\u4e2d\u7684\u5143\u7d20\uff08\u9700\u5bfc\u5165\uff09<\/td>\nfrom functools import reduce<\/code> reduce(lambda x,y:x+y, [1,2,3]) \u2192 6<\/code><\/td>\n<\/tr>\n
                  eval(expression)<\/code><\/td>\n\u6267\u884c\u5b57\u7b26\u4e32\u8868\u8fbe\u5f0f\u5e76\u8fd4\u56de\u7ed3\u679c<\/td>\neval("1+2") \u2192 3<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  8. \u5176\u4ed6\u5e38\u7528\u51fd\u6570<\/strong><\/h5>\n\n\n\n\n\n\n\n\n\n
                  \u51fd\u6570<\/th>\n\u529f\u80fd<\/th>\n\u793a\u4f8b<\/th>\n<\/tr>\n<\/thead>\n
                  pow(x, y)<\/code><\/td>\n\u8ba1\u7b97\u00a0x<\/code>\u00a0\u7684\u00a0y<\/code>\u00a0\u6b21\u5e42<\/td>\npow(2, 3) \u2192 8<\/code><\/td>\n<\/tr>\n
                  divmod(x, y)<\/code><\/td>\n\u8fd4\u56de\u00a0x<\/code>\u00a0\u9664\u4ee5\u00a0y<\/code>\u00a0\u7684\u5546\u548c\u4f59\u6570<\/td>\ndivmod(10, 3) \u2192 (3, 1)<\/code><\/td>\n<\/tr>\n
                  help([obj])<\/code><\/td>\n\u663e\u793a\u5bf9\u8c61\u7684\u5e2e\u52a9\u6587\u6863\uff08\u4ea4\u4e92\u5f0f\u73af\u5883\uff09<\/td>\nhelp(list)<\/code><\/td>\n<\/tr>\n
                  globals()<\/code><\/td>\n\u8fd4\u56de\u5f53\u524d\u5168\u5c40\u7b26\u53f7\u8868\uff08\u5b57\u5178\u5f62\u5f0f\uff09<\/td>\nglobals()<\/code><\/td>\n<\/tr>\n
                  locals()<\/code><\/td>\n\u8fd4\u56de\u5f53\u524d\u5c40\u90e8\u7b26\u53f7\u8868\uff08\u5b57\u5178\u5f62\u5f0f\uff09<\/td>\nlocals()<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  \u9762\u5411\u5bf9\u8c61<\/h3>\n
                  \u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff08Object-Oriented Programming\uff0cOOP\uff09\u662f\u4e00\u79cd\u7f16\u7a0b\u8303\u5f0f<\/strong>\uff0c\u5b83\u5c06\u6570\u636e\uff08\u5c5e\u6027\uff09\u548c\u64cd\u4f5c\u6570\u636e\u7684\u4ee3\u7801\uff08\u65b9\u6cd5\uff09\u5c01\u88c5\u4e3a\u76f8\u4e92\u5173\u8054\u7684 \u201c\u5bf9\u8c61\u201d\uff0c\u5e76\u901a\u8fc7\u5bf9\u8c61\u4e4b\u95f4\u7684\u4ea4\u4e92\u6765\u6784\u5efa\u8f6f\u4ef6\u7cfb\u7edf\u3002\u5176\u6838\u5fc3\u601d\u60f3\u662f\u5c06\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u4e8b\u7269\u62bd\u8c61\u4e3a\u7a0b\u5e8f\u4e2d\u7684\u5bf9\u8c61\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u62e5\u6709\u81ea\u5df1\u7684\u72b6\u6001\u548c\u884c\u4e3a\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u590d\u7528\u6027<\/strong>\u3001\u53ef\u7ef4\u62a4\u6027<\/strong>\u548c\u53ef\u6269\u5c55\u6027<\/strong><\/p><\/blockquote>\n
                  \u6838\u5fc3\u6982\u5ff5<\/h4>\n
                  \u7c7b\uff08Class\uff09<\/strong> \uff1a\u7c7b\u662f\u5bf9\u8c61\u7684\u84dd\u56fe\u6216\u539f\u578b\uff0c\u5b83\u5b9a\u4e49\u4e86\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5<\/p>\n
                  \u5bf9\u8c61\uff08Object\uff09<\/strong> \uff1a\u5bf9\u8c61\u662f\u7c7b\u7684\u5b9e\u4f8b<\/p>\n
                  \u65b9\u6cd5\uff08Method\uff09<\/strong> \uff1a\u65b9\u6cd5\u662f\u5bf9\u8c61\u53ef\u4ee5\u6267\u884c\u7684\u64cd\u4f5c\uff0c\u901a\u5e38\u662f\u51fd\u6570<\/p>\n
                  \u4e09\u5927\u7279\u6027<\/h4>\n
                  \u5c01\u88c5<\/h5>\n
                  \u5c06\u6570\u636e\uff08\u5c5e\u6027\uff09\u548c\u64cd\u4f5c\u6570\u636e\u7684\u65b9\u6cd5\u7ed1\u5b9a\u5728\u4e00\u8d77\uff0c\u5e76\u901a\u8fc7\u8bbf\u95ee\u63a7\u5236\u9690\u85cf\u5185\u90e8\u5b9e\u73b0\u7ec6\u8282\uff0c\u53ea\u66b4\u9732\u5fc5\u8981\u7684\u63a5\u53e3\u3002<\/p><\/blockquote>\n
                  class BankAccount:\n    def __init__(self, balance):\n        self.__balance = balance  # \u79c1\u6709\u5c5e\u6027\uff0c\u5916\u90e8\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\n        \n    # \u5b58\u6b3e\u65b9\u6cd5\n    def deposit(self, amount):\n        self.__balance += amount  \n        \n    # \u83b7\u53d6\u4f59\u989d\u65b9\u6cd5\n    def get_balance(self):\n        return self.__balance  \n\nbankAccount = BankAccount(200)\nprint(bankAccount.get_balance())  # \u8f93\u51fa: 200\nbankAccount.deposit(600)\nprint(bankAccount.get_balance())  # \u8f93\u51fa: 800<\/code><\/pre>\n
                  \u7ee7\u627f<\/h5>\n
                  \u5b50\u7c7b\u7ee7\u627f\u7236\u7c7b\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u53ef\u91cd\u5199\u6216\u6269\u5c55\u7236\u7c7b\u529f\u80fd\uff0c\u5b9e\u73b0\u4ee3\u7801\u590d\u7528<\/p><\/blockquote>\n
                  # \u7236\u7c7b\nclass Animal:\n    def __init__(self, name):\n        self.name = name\n\n    def speak(self):\n        raise NotImplementedError("\u5b50\u7c7b\u5fc5\u987b\u5b9e\u73b0\u8fd9\u4e2a\u65b9\u6cd5")\n\n# \u5b50\u7c7b\nclass Dog(Animal):\n    def speak(self):\n        return f"{self.name} \u6c6a\u6c6a\u53eb"\n\n# \u5b50\u7c7b\nclass Cat(Animal):\n    def speak(self):\n        return f"{self.name} \u55b5\u55b5\u53eb"\n\n# \u4f7f\u7528\u793a\u4f8b\ndog = Dog("\u5927\u9ec4")\ncat = Cat("\u5c0f\u82b1")\nprint(dog.speak())  # \u8f93\u51fa: \u5927\u9ec4 \u6c6a\u6c6a\u53eb\nprint(cat.speak())  # \u8f93\u51fa: \u5c0f\u82b1 \u55b5\u55b5\u53eb<\/code><\/pre>\n
                  \u591a\u6001<\/h5>\n
                  \u4e0d\u540c\u7c7b\u7684\u5bf9\u8c61\u53ef\u4ee5\u5bf9\u540c\u4e00\u6d88\u606f\u505a\u51fa\u4e0d\u540c\u54cd\u5e94\uff0c\u901a\u8fc7\u7ee7\u627f\u548c\u63a5\u53e3\u5b9e\u73b0<\/p><\/blockquote>\n
                  class Animal:\n    def speak(self):\n        return "\u52a8\u7269\u53d1\u51fa\u58f0\u97f3"\n\nclass Dog(Animal):\n    def speak(self):\n        return "\u6c6a\u6c6a\u53eb"\n\nclass Cat(Animal):\n    def speak(self):\n        return "\u55b5\u55b5\u53eb"\n\n# \u591a\u6001\u793a\u4f8b\uff1a\u540c\u4e00\u65b9\u6cd5\u8c03\u7528\uff0c\u4e0d\u540c\u5b50\u7c7b\u6709\u4e0d\u540c\u884c\u4e3a\ndef make_animal_speak(animal):\n    print(animal.speak())\n\ndog = Dog()\ncat = Cat()\n\nmake_animal_speak(dog)  # \u8f93\u51fa\uff1a\u6c6a\u6c6a\u53eb\nmake_animal_speak(cat)  # \u8f93\u51fa\uff1a\u55b5\u55b5\u53eb<\/code><\/pre>\n
                  \u5224\u65ad<\/h3>\n
                  \u57fa\u672c\u00a0if-else<\/code>\u00a0\u7ed3\u6784<\/strong><\/h4>\n
                  x = 10\n\nif x > 5:\n    print("x \u5927\u4e8e 5")  # \u6761\u4ef6\u4e3a\u771f\u65f6\u6267\u884c\nelse:\n    print("x \u5c0f\u4e8e\u7b49\u4e8e 5")<\/code><\/pre>\n
                  \u591a\u6761\u4ef6\u5224\u65ad\uff1aelif<\/code><\/strong><\/h4>\n
                  score = 85\n\nif score >= 90:\n    print("\u4f18\u79c0")\nelif score >= 80:\n    print("\u826f\u597d")  # \u6267\u884c\u6b64\u5206\u652f\nelif score >= 60:\n    print("\u53ca\u683c")\nelse:\n    print("\u4e0d\u53ca\u683c")<\/code><\/pre>\n
                  \u5d4c\u5957\u5224\u65ad<\/strong><\/h4>\n
                  age = 20\nis_student = True\n\nif age >= 18:\n    if is_student:\n        print("\u6210\u5e74\u4eba\u5b66\u751f")  # \u6267\u884c\u6b64\u5206\u652f\n    else:\n        print("\u6210\u5e74\u4eba\u975e\u5b66\u751f")\nelse:\n    print("\u672a\u6210\u5e74\u4eba")<\/code><\/pre>\n
                  \u903b\u8f91\u8fd0\u7b97\u7b26\uff08and<\/code>,\u00a0or<\/code>,\u00a0not<\/code>\uff09<\/strong><\/h4>\n
                  x = 5\ny = 10\n\nif x > 0 and y < 20:\n    print("\u4e24\u4e2a\u6761\u4ef6\u90fd\u6ee1\u8db3")  # \u6267\u884c\u6b64\u5206\u652f\n\nif x > 10 or y > 5:\n    print("\u81f3\u5c11\u4e00\u4e2a\u6761\u4ef6\u6ee1\u8db3")  # \u6267\u884c\u6b64\u5206\u652f\n\nif not x > 10:\n    print("x \u4e0d\u5927\u4e8e 10")  # \u6267\u884c\u6b64\u5206\u652f<\/code><\/pre>\n
                  \u6210\u5458\u8fd0\u7b97\u7b26\uff08in<\/code>,\u00a0not in<\/code>\uff09<\/strong><\/h4>\n
                  fruits = ["apple", "banana", "cherry"]\n\nif "apple" in fruits:\n    print("\u5217\u8868\u5305\u542b apple")  # \u6267\u884c\u6b64\u5206\u652f\n\nname = "Alice"\nif "li" in name:\n    print("\u540d\u5b57\u5305\u542b 'li'")  # \u6267\u884c\u6b64\u5206\u652f<\/code><\/pre>\n
                  \u4e09\u5143\u8868\u8fbe\u5f0f<\/strong><\/h4>\n
                  x = 10\nresult = "\u5076\u6570" if x % 2 == 0 else "\u5947\u6570"\nprint(result)  # \u8f93\u51fa\uff1a\u5076\u6570<\/code><\/pre>\n
                  \u771f\u503c\u5224\u65ad<\/strong><\/h4>\n
                  Python \u4e2d\u4ee5\u4e0b\u503c\u88ab\u89c6\u4e3a\u00a0False<\/code>\uff0c\u5176\u4ed6\u503c\u5747\u4e3a\u00a0True<\/code>\uff1a<\/p>\n
                    \n
                  • False<\/code><\/li>\n
                  • None<\/code><\/li>\n
                  • \u6570\u503c 0\uff08\u5982\u00a00<\/code>,\u00a00.0<\/code>\uff09<\/li>\n
                  • \u7a7a\u5e8f\u5217\uff08\u5982\u00a0[]<\/code>,\u00a0()<\/code>,\u00a0''<\/code>\uff09<\/li>\n
                  • \u7a7a\u6620\u5c04\uff08\u5982\u00a0{}<\/code>\uff09<\/li>\n<\/ul>\n
                    name = ""\nif not name:  # \u7a7a\u5b57\u7b26\u4e32\u4e3a False\n    print("\u540d\u5b57\u4e3a\u7a7a")\n\nvalues = []\nif values:  # \u7a7a\u5217\u8868\u4e3a False\uff0c\u6b64\u6761\u4ef6\u4e0d\u6267\u884c\n    print("\u5217\u8868\u4e0d\u4e3a\u7a7a")<\/code><\/pre>\n
                    \u6a21\u5757<\/h3>\n
                    \u5728 Python \u4e2d\uff0c\u6a21\u5757\uff08Module\uff09<\/strong> \u00a0\u662f\u7ec4\u7ec7\u4ee3\u7801\u7684\u57fa\u672c\u5355\u5143\uff0c\u7528\u4e8e\u5c06\u76f8\u5173\u7684\u51fd\u6570\u3001\u7c7b\u548c\u53d8\u91cf\u653e\u5728\u4e00\u8d77\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u590d\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4ee5\u4e0b\u662f\u5173\u4e8e Python \u6a21\u5757\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff1a<\/p><\/blockquote>\n
                    \u4e00\u3001\u6a21\u5757\u7684\u57fa\u672c\u6982\u5ff5<\/h4>\n
                    1. \u4ec0\u4e48\u662f\u6a21\u5757\uff1f<\/h5>\n
                      \n
                    • \u6a21\u5757<\/strong>\uff1a\u4e00\u4e2a.py<\/code>\u6587\u4ef6\u5c31\u662f\u4e00\u4e2a\u6a21\u5757\uff0c\u6587\u4ef6\u540d\u5373\u6a21\u5757\u540d\u3002<\/li>\n
                    • \u5305\uff08Package\uff09<\/strong> \uff1a\u4e00\u4e2a\u5305\u542b__init__.py<\/code>\u6587\u4ef6\u7684\u76ee\u5f55\uff0c\u7528\u4e8e\u7ec4\u7ec7\u591a\u4e2a\u6a21\u5757\u3002<\/li>\n<\/ul>\n
                      2. \u6a21\u5757\u7684\u4f5c\u7528<\/h5>\n
                        \n
                      • \u4ee3\u7801\u590d\u7528<\/strong>\uff1a\u907f\u514d\u91cd\u590d\u7f16\u5199\u76f8\u540c\u4ee3\u7801\u3002<\/li>\n
                      • \u547d\u540d\u7a7a\u95f4\u9694\u79bb<\/strong>\uff1a\u4e0d\u540c\u6a21\u5757\u7684\u540c\u540d\u53d8\u91cf \/ \u51fd\u6570\u4e92\u4e0d\u5e72\u6270\u3002<\/li>\n
                      • \u7ec4\u7ec7\u67b6\u6784<\/strong>\uff1a\u6309\u529f\u80fd\u5c06\u4ee3\u7801\u5206\u6a21\u5757\u7ba1\u7406\uff0c\u63d0\u9ad8\u53ef\u8bfb\u6027\u3002<\/li>\n<\/ul>\n
                        \u4e8c\u3001\u6a21\u5757\u7684\u5bfc\u5165\u65b9\u5f0f<\/h4>\n
                        1.\u00a0import<\/code>\u00a0\u8bed\u53e5<\/h5>\n
                        \u5bfc\u5165\u6574\u4e2a\u6a21\u5757\uff0c\u4f7f\u7528\u65f6\u9700\u52a0\u6a21\u5757\u540d\u524d\u7f00\u3002<\/p>\n
                        import math\n\nprint(math.pi)          # \u8f93\u51fa: 3.141592653589793\nprint(math.sqrt(16))    # \u8f93\u51fa: 4.0<\/code><\/pre>\n
                        2.\u00a0from ... import ...<\/code><\/h5>\n
                        \u5bfc\u5165\u6a21\u5757\u4e2d\u7684\u7279\u5b9a\u5bf9\u8c61\uff0c\u76f4\u63a5\u4f7f\u7528\u65e0\u9700\u524d\u7f00\u3002<\/p>\n
                        from math import pi, sqrt\n\nprint(pi)               # \u8f93\u51fa: 3.141592653589793\nprint(sqrt(16))         # \u8f93\u51fa: 4.0<\/code><\/pre>\n
                        3.\u00a0from ... import *<\/code><\/h5>\n
                        \u5bfc\u5165\u6a21\u5757\u4e2d\u7684\u6240\u6709\u5bf9\u8c61\uff08\u4e0d\u63a8\u8350\uff0c\u53ef\u80fd\u5bfc\u81f4\u547d\u540d\u51b2\u7a81\uff09\u3002<\/p>\n
                        from math import *\n\nprint(sin(pi\/2))        # \u8f93\u51fa: 1.0<\/code><\/pre>\n
                        4.\u00a0as<\/code>\u00a0\u522b\u540d<\/h5>\n
                        \u4e3a\u6a21\u5757\u6216\u5bf9\u8c61\u6307\u5b9a\u522b\u540d\uff0c\u7b80\u5316\u540d\u79f0\u3002<\/p>\n
                        import numpy as np\nfrom pandas import DataFrame as DF\n\narr = np.array([1, 2, 3])\ndf = DF({'col1': [1, 2], 'col2': [3, 4]})<\/code><\/pre>\n
                        \u4e09\u3001\u6a21\u5757\u641c\u7d22\u8def\u5f84<\/h4>\n
                        Python \u89e3\u91ca\u5668\u6309\u4ee5\u4e0b\u987a\u5e8f\u67e5\u627e\u6a21\u5757\uff1a<\/p>\n
                          \n
                        1. \u5185\u7f6e\u6a21\u5757<\/strong>\uff08\u5982sys<\/code>\u3001math<\/code>\uff09<\/li>\n
                        2. \u5f53\u524d\u76ee\u5f55<\/strong><\/li>\n
                        3. \u73af\u5883\u53d8\u91cfPYTHONPATH<\/code>\u6307\u5b9a\u7684\u8def\u5f84<\/strong><\/li>\n
                        4. Python \u5b89\u88c5\u8def\u5f84\u7684\u6807\u51c6\u5e93\u548c\u7b2c\u4e09\u65b9\u5e93\u76ee\u5f55<\/strong><\/li>\n<\/ol>\n
                          \u67e5\u770b\u641c\u7d22\u8def\u5f84\uff1a<\/p>\n
                          import sys\nprint(sys.path)  # \u8f93\u51fa\u6a21\u5757\u641c\u7d22\u8def\u5f84\u5217\u8868<\/code><\/pre>\n
                          \u56db\u3001\u81ea\u5b9a\u4e49\u6a21\u5757<\/h4>\n
                          \u521b\u5efa\u4e00\u4e2a\u6a21\u5757\u5f88\u7b80\u5355\uff0c\u53ea\u9700\u5c06\u4ee3\u7801\u4fdd\u5b58\u4e3a.py<\/code>\u6587\u4ef6\u3002<\/p>\n
                          \u793a\u4f8b<\/strong>\uff1a\u521b\u5efamy_module.py<\/code><\/p>\n
                          # my_module.py\ndef greet(name):\n    return f"Hello, {name}!"\n\ndef add(a, b):\n    return a + b\n\n# \u6a21\u5757\u5185\u6d4b\u8bd5\u4ee3\u7801\nif __name__ == "__main__":\n    print(greet("Alice"))  # \u4ec5\u5f53\u76f4\u63a5\u8fd0\u884c\u6b64\u6587\u4ef6\u65f6\u6267\u884c<\/code><\/pre>\n
                          \u5bfc\u5165\u5e76\u4f7f\u7528<\/strong>\uff1a<\/p>\n
                          import my_module\n\nprint(my_module.greet("Bob"))  # \u8f93\u51fa: Hello, Bob!\nprint(my_module.add(3, 4))     # \u8f93\u51fa: 7<\/code><\/pre>\n
                          \u4e94\u3001\u5305\uff08Package\uff09\u7684\u4f7f\u7528<\/h4>\n
                          \u5305\u662f\u4e00\u79cd\u5c42\u6b21\u5316\u7684\u6a21\u5757\u7ec4\u7ec7\u65b9\u5f0f\uff0c\u901a\u8fc7\u76ee\u5f55\u7ed3\u6784\u7ba1\u7406\u6a21\u5757\u3002<\/p>\n
                          \u76ee\u5f55\u7ed3\u6784\u793a\u4f8b<\/strong>\uff1a<\/p>\n
                          my_package\/\n    __init__.py      # \u5fc5\u987b\u5b58\u5728\uff0c\u53ef\u4e3a\u7a7a\u6587\u4ef6\n    module1.py\n    module2.py\n    subpackage\/      # \u5b50\u5305\n        __init__.py\n        submodule.py<\/code><\/pre>\n
                          \u5bfc\u5165\u5305\u4e2d\u7684\u6a21\u5757<\/strong>\uff1a<\/p>\n
                          # \u65b9\u5f0f1\uff1a\u5b8c\u6574\u8def\u5f84\u5bfc\u5165\nimport my_package.module1\nmy_package.module1.foo()\n\n# \u65b9\u5f0f2\uff1a\u90e8\u5206\u5bfc\u5165\nfrom my_package import module2\nmodule2.bar()\n\n# \u65b9\u5f0f3\uff1a\u4ece\u5b50\u5305\u5bfc\u5165\nfrom my_package.subpackage import submodule\nsubmodule.baz()<\/code><\/pre>\n
                          \u516d\u3001\u5e38\u7528\u5185\u7f6e\u6a21\u5757<\/h4>\n
                          Python \u6807\u51c6\u5e93\u63d0\u4f9b\u4e86\u5927\u91cf\u5185\u7f6e\u6a21\u5757\uff0c\u4f8b\u5982\uff1a<\/p>\n
                            \n
                          • os<\/strong>\uff1a\u64cd\u4f5c\u7cfb\u7edf\u63a5\u53e3\uff08\u6587\u4ef6\u64cd\u4f5c\u3001\u8def\u5f84\u7ba1\u7406\uff09<\/li>\n
                          • sys<\/strong>\uff1aPython \u89e3\u91ca\u5668\u76f8\u5173\u53c2\u6570<\/li>\n
                          • math<\/strong>\uff1a\u6570\u5b66\u51fd\u6570<\/li>\n
                          • random<\/strong>\uff1a\u968f\u673a\u6570\u751f\u6210<\/li>\n
                          • datetime<\/strong>\uff1a\u65e5\u671f\u548c\u65f6\u95f4\u5904\u7406<\/li>\n
                          • json<\/strong>\uff1aJSON \u6570\u636e\u5904\u7406<\/li>\n
                          • requests<\/strong>\uff1aHTTP \u8bf7\u6c42\uff08\u9700\u5355\u72ec\u5b89\u88c5\uff09<\/li>\n<\/ul>\n
                            \u793a\u4f8b<\/strong>\uff1a\u4f7f\u7528os<\/code>\u6a21\u5757\u64cd\u4f5c\u6587\u4ef6<\/p>\n
                            import os\n\n# \u83b7\u53d6\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\nprint(os.getcwd())\n\n# \u5217\u51fa\u76ee\u5f55\u5185\u5bb9\nprint(os.listdir('.'))\n\n# \u521b\u5efa\u76ee\u5f55\nos.mkdir('new_dir')<\/code><\/pre>\n
                            \u4e03\u3001\u6a21\u5757\u7684\u7279\u6b8a\u5c5e\u6027<\/h4>\n
                              \n
                            • __name__<\/code><\/strong> \uff1a\u6a21\u5757\u7684\u540d\u79f0\uff0c\u76f4\u63a5\u8fd0\u884c\u65f6\u4e3a__main__<\/code>\uff0c\u88ab\u5bfc\u5165\u65f6\u4e3a\u6a21\u5757\u540d\u3002<\/li>\n
                            • __doc__<\/code><\/strong> \uff1a\u6a21\u5757\u7684\u6587\u6863\u5b57\u7b26\u4e32\uff08\u7b2c\u4e00\u884c\u6ce8\u91ca\uff09\u3002<\/li>\n
                            • __file__<\/code><\/strong> \uff1a\u6a21\u5757\u7684\u6587\u4ef6\u8def\u5f84\u3002<\/li>\n<\/ul>\n
                              \u793a\u4f8b<\/strong>\uff1a<\/p>\n
                              # \u67e5\u770b\u6a21\u5757\u5c5e\u6027\nimport math\n\nprint(math.__name__)   # \u8f93\u51fa: math\nprint(math.__doc__)    # \u8f93\u51fa: \u6a21\u5757\u6587\u6863\u5b57\u7b26\u4e32\nprint(math.__file__)   # \u8f93\u51fa: \u6a21\u5757\u6587\u4ef6\u8def\u5f84<\/code><\/pre>\n
                              \u516b\u3001\u7b2c\u4e09\u65b9\u6a21\u5757\u7684\u5b89\u88c5\u4e0e\u7ba1\u7406<\/h4>\n
                              \u4f7f\u7528pip<\/code>\u5de5\u5177\u5b89\u88c5\u7b2c\u4e09\u65b9\u6a21\u5757\uff1a<\/p>\n
                              # \u5b89\u88c5\u6a21\u5757\npip install requests\n\n# \u67e5\u770b\u5df2\u5b89\u88c5\u6a21\u5757\npip list\n\n# \u66f4\u65b0\u6a21\u5757\npip install --upgrade requests\n\n# \u5220\u9664\u6a21\u5757\npip uninstall requests<\/code><\/pre>\n
                              \u5faa\u73af<\/h3>\n
                              \u5728 Python \u4e2d\uff0c\u5faa\u73af\u7528\u4e8e\u91cd\u590d\u6267\u884c\u4e00\u6bb5\u4ee3\u7801\u3002Python \u63d0\u4f9b\u4e86\u4e24\u79cd\u4e3b\u8981\u7684\u5faa\u73af\u7ed3\u6784\uff1afor<\/code>\u00a0\u5faa\u73af\u548c\u00a0while<\/code>\u00a0\u5faa\u73af\uff0c\u53e6\u5916\u8fd8\u6709\u4e00\u4e9b\u8f85\u52a9\u7684\u5173\u952e\u5b57\u5982\u00a0break<\/code>\u3001continue<\/code>\u00a0\u7b49\u3002\u4e0b\u9762\u4e3a\u4f60\u8be6\u7ec6\u4ecb\u7ecd\uff1a<\/p><\/blockquote>\n
                              1.\u00a0for<\/code>\u00a0\u5faa\u73af<\/h4>\n
                              for<\/code>\u00a0\u5faa\u73af\u7528\u4e8e\u904d\u5386\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u5217\u8868\u3001\u5143\u7ec4\u3001\u5b57\u7b26\u4e32\u3001\u5b57\u5178\u7b49\uff09\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n
                              \u57fa\u672c\u8bed\u6cd5<\/strong>\uff1a<\/p>\n
                              for \u53d8\u91cf in \u53ef\u8fed\u4ee3\u5bf9\u8c61:\n    # \u5faa\u73af\u4f53\u4ee3\u7801\n    pass  # \u66ff\u6362\u4e3a\u5b9e\u9645\u6267\u884c\u7684\u4ee3\u7801<\/code><\/pre>\n
                              \u793a\u4f8b<\/strong>\uff1a\u904d\u5386\u5217\u8868\u5e76\u6253\u5370\u6bcf\u4e2a\u5143\u7d20<\/p>\n
                              fruits = ["apple", "banana", "cherry"]\nfor fruit in fruits:\n    print(fruit)<\/code><\/pre>\n
                              \u4f7f\u7528\u00a0range()<\/code>\u00a0\u51fd\u6570<\/strong>\uff1a\u5982\u679c\u9700\u8981\u904d\u5386\u6307\u5b9a\u6b21\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u00a0range()<\/code>\u00a0\u51fd\u6570\u3002<\/p>\n
                              for i in range(5):  # \u751f\u6210 0 \u5230 4 \u7684\u6574\u6570\n    print(i)<\/code><\/pre>\n
                              2.\u00a0while<\/code>\u00a0\u5faa\u73af<\/h4>\n
                              while<\/code>\u00a0\u5faa\u73af\u5728\u6761\u4ef6\u4e3a\u771f\u65f6\u91cd\u590d\u6267\u884c\u4ee3\u7801\u5757\u3002<\/p>\n
                              \u57fa\u672c\u8bed\u6cd5<\/strong>\uff1a<\/p>\n
                              while \u6761\u4ef6:\n    # \u5faa\u73af\u4f53\u4ee3\u7801\n    pass  # \u66ff\u6362\u4e3a\u5b9e\u9645\u6267\u884c\u7684\u4ee3\u7801<\/code><\/pre>\n
                              \u793a\u4f8b<\/strong>\uff1a\u8ba1\u7b97 1 \u5230 10 \u7684\u7d2f\u52a0\u548c<\/p>\n
                              sum = 0\ni = 1\nwhile i <= 10:\n    sum += i\n    i += 1\nprint(sum)  # \u8f93\u51fa 55<\/code><\/pre>\n
                              3. \u5faa\u73af\u63a7\u5236\u8bed\u53e5<\/h4>\n
                                \n
                              • \n
                                break<\/code><\/strong>\uff1a\u7528\u4e8e\u8df3\u51fa\u6574\u4e2a\u5faa\u73af\uff0c\u4e0d\u518d\u6267\u884c\u540e\u7eed\u7684\u8fed\u4ee3\u3002<\/p>\n
                                for i in range(5):\n    if i == 3:\n        break\n    print(i)  # \u8f93\u51fa 0, 1, 2<\/code><\/pre>\n<\/li>\n<\/ul>\n
                                  \n
                                • \n
                                  continue<\/code><\/strong>\uff1a\u7528\u4e8e\u8df3\u8fc7\u5f53\u524d\u8fed\u4ee3\uff0c\u76f4\u63a5\u8fdb\u5165\u4e0b\u4e00\u6b21\u8fed\u4ee3\u3002<\/p>\n
                                  for i in range(5):\n    if i == 3:\n        continue\n    print(i)  # \u8f93\u51fa 0, 1, 2, 4<\/code><\/pre>\n<\/li>\n<\/ul>\n
                                    \n
                                  • \n
                                    else<\/code>\u00a0\u5b50\u53e5<\/strong>\uff1a\u5728\u5faa\u73af\u6b63\u5e38\u7ed3\u675f\uff08\u6ca1\u6709\u88ab\u00a0break<\/code>\u00a0\u4e2d\u65ad\uff09\u65f6\u6267\u884c\u3002<\/p>\n
                                    for i in range(3):\n    print(i)\nelse:\n    print("\u5faa\u73af\u7ed3\u675f")  # \u4f1a\u88ab\u6267\u884c<\/code><\/pre>\n<\/li>\n<\/ul>\n
                                    4. \u5d4c\u5957\u5faa\u73af<\/h4>\n
                                    \u5faa\u73af\u5185\u90e8\u53ef\u4ee5\u5305\u542b\u53e6\u4e00\u4e2a\u5faa\u73af\uff0c\u5e38\u7528\u4e8e\u5904\u7406\u591a\u7ef4\u6570\u636e\u7ed3\u6784\u3002<\/p>\n
                                    \u793a\u4f8b<\/strong>\uff1a\u6253\u5370\u4e58\u6cd5\u8868<\/p>\n
                                    for i in range(1, 10):\n    for j in range(1, i + 1):\n        print(f"{j}\u00d7{i}={i*j}", end="\/t")\n    print()  # \u6362\u884c<\/code><\/pre>\n
                                    \u6b63\u5219<\/h3>\n
                                    \u5728 Python \u91cc\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\uff08Regular Expression\uff09\u662f\u7528\u4e8e\u5904\u7406\u5b57\u7b26\u4e32\u7684\u5f3a\u5927\u5de5\u5177\uff0c\u5b83\u501f\u52a9\u7279\u5b9a\u6a21\u5f0f\u6765\u5339\u914d\u3001\u67e5\u627e\u3001\u66ff\u6362\u5b57\u7b26\u4e32\u3002\u4e0b\u9762\u4e3a\u4f60\u4ecb\u7ecd Python \u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u6838\u5fc3\u529f\u80fd\u548c\u7528\u6cd5\u3002<\/p><\/blockquote>\n
                                    1. \u6b63\u5219\u8868\u8fbe\u5f0f\u57fa\u7840\u5143\u5b57\u7b26<\/h4>\n
                                      \n
                                    • .<\/code>\uff1a\u80fd\u591f\u5339\u914d\u9664\u6362\u884c\u7b26\u4e4b\u5916\u7684\u4efb\u610f\u5355\u4e2a\u5b57\u7b26\u3002<\/li>\n
                                    • ^<\/code>\uff1a\u7528\u4e8e\u5339\u914d\u5b57\u7b26\u4e32\u7684\u8d77\u59cb\u4f4d\u7f6e\u3002<\/li>\n
                                    • $<\/code>\uff1a\u7528\u6765\u5339\u914d\u5b57\u7b26\u4e32\u7684\u7ed3\u675f\u4f4d\u7f6e\u3002<\/li>\n
                                    • *<\/code>\uff1a\u8868\u793a\u524d\u9762\u7684\u5b57\u7b26\u53ef\u4ee5\u51fa\u73b0\u96f6\u6b21\u6216\u8005\u591a\u6b21\u3002<\/li>\n
                                    • +<\/code>\uff1a\u610f\u5473\u7740\u524d\u9762\u7684\u5b57\u7b26\u81f3\u5c11\u8981\u51fa\u73b0\u4e00\u6b21\u3002<\/li>\n
                                    • ?<\/code>\uff1a\u8868\u793a\u524d\u9762\u7684\u5b57\u7b26\u53ef\u4ee5\u51fa\u73b0\u96f6\u6b21\u6216\u8005\u4e00\u6b21\u3002<\/li>\n
                                    • {n}<\/code>\uff1a\u8981\u6c42\u524d\u9762\u7684\u5b57\u7b26\u6070\u597d\u51fa\u73b0\u00a0n<\/code>\u00a0\u6b21\u3002<\/li>\n
                                    • {n,}<\/code>\uff1a\u8981\u6c42\u524d\u9762\u7684\u5b57\u7b26\u81f3\u5c11\u51fa\u73b0\u00a0n<\/code>\u00a0\u6b21\u3002<\/li>\n
                                    • {n,m}<\/code>\uff1a\u8981\u6c42\u524d\u9762\u7684\u5b57\u7b26\u51fa\u73b0\u6b21\u6570\u5728\u00a0n<\/code>\u00a0\u5230\u00a0m<\/code>\u00a0\u6b21\u4e4b\u95f4\u3002<\/li>\n
                                    • []<\/code>\uff1a\u7528\u4e8e\u5339\u914d\u65b9\u62ec\u53f7\u4e2d\u6307\u5b9a\u7684\u4efb\u610f\u4e00\u4e2a\u5b57\u7b26\uff0c\u4f8b\u5982\u00a0[a-z]<\/code>\u00a0\u53ef\u4ee5\u5339\u914d\u4efb\u610f\u5c0f\u5199\u5b57\u6bcd\u3002<\/li>\n
                                    • |<\/code>\uff1a\u8868\u793a\u6216\u8005\u7684\u5173\u7cfb\uff0c\u7528\u4e8e\u5339\u914d\u591a\u4e2a\u6a21\u5f0f\u4e2d\u7684\u4efb\u610f\u4e00\u4e2a\u3002<\/li>\n
                                    • ()<\/code>\uff1a\u7528\u4e8e\u5206\u7ec4\uff0c\u53ef\u4ee5\u63d0\u53d6\u5339\u914d\u7684\u5b50\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n
                                      2. Python \u4e2d\u7684 re \u6a21\u5757<\/h4>\n
                                      Python \u901a\u8fc7\u00a0re<\/code>\u00a0\u6a21\u5757\u63d0\u4f9b\u4e86\u5bf9\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u652f\u6301\uff0c\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u7528\u51fd\u6570\uff1a<\/p>\n
                                      \uff081\uff09re.match()<\/h5>\n
                                      \u6b64\u51fd\u6570\u7528\u4e8e\u4ece\u5b57\u7b26\u4e32\u7684\u8d77\u59cb\u4f4d\u7f6e\u5f00\u59cb\u5339\u914d\u6a21\u5f0f\uff0c\u5982\u679c\u5339\u914d\u6210\u529f\uff0c\u5c31\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5339\u914d\u5bf9\u8c61\uff1b\u5426\u5219\u8fd4\u56de\u00a0None<\/code>\u3002<\/p>\n
                                      import re\n\npattern = r'hello'\ntext = 'hello world'\nmatch = re.match(pattern, text)\nif match:\n    print('\u5339\u914d\u6210\u529f:', match.group())  # \u8f93\u51fa: \u5339\u914d\u6210\u529f: hello\nelse:\n    print('\u5339\u914d\u5931\u8d25')<\/code><\/pre>\n
                                      \uff082\uff09re.search()<\/h5>\n
                                      \u8be5\u51fd\u6570\u4f1a\u5728\u6574\u4e2a\u5b57\u7b26\u4e32\u4e2d\u67e5\u627e\u7b2c\u4e00\u4e2a\u5339\u914d\u7684\u6a21\u5f0f\uff0c\u82e5\u627e\u5230\uff0c\u5c31\u8fd4\u56de\u4e00\u4e2a\u5339\u914d\u5bf9\u8c61\uff1b\u82e5\u672a\u627e\u5230\uff0c\u5219\u8fd4\u56de\u00a0None<\/code>\u3002<\/p>\n
                                      pattern = r'world'\ntext = 'hello world'\nsearch = re.search(pattern, text)\nif search:\n    print('\u627e\u5230\u5339\u914d:', search.group())  # \u8f93\u51fa: \u627e\u5230\u5339\u914d: world\nelse:\n    print('\u672a\u627e\u5230\u5339\u914d')<\/code><\/pre>\n
                                      \uff083\uff09re.findall()<\/h5>\n
                                      \u6b64\u51fd\u6570\u4f1a\u5728\u5b57\u7b26\u4e32\u4e2d\u67e5\u627e\u6240\u6709\u5339\u914d\u7684\u6a21\u5f0f\uff0c\u5e76\u4ee5\u5217\u8868\u7684\u5f62\u5f0f\u8fd4\u56de\u6240\u6709\u5339\u914d\u7684\u5b50\u5b57\u7b26\u4e32\u3002<\/p>\n
                                      pattern = r'\/d+'  # \u5339\u914d\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u5b57\ntext = 'I have 3 apples and 5 oranges'\nnumbers = re.findall(pattern, text)\nprint('\u627e\u5230\u7684\u6570\u5b57:', numbers)  # \u8f93\u51fa: \u627e\u5230\u7684\u6570\u5b57: ['3', '5']<\/code><\/pre>\n
                                      \uff084\uff09re.sub()<\/h5>\n
                                      \u8be5\u51fd\u6570\u7528\u4e8e\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u5339\u914d\u6a21\u5f0f\u7684\u90e8\u5206\uff0c\u53ef\u4ee5\u6307\u5b9a\u66ff\u6362\u7684\u6b21\u6570\u3002<\/p>\n
                                      pattern = r'apple'\ntext = 'I like apple'\nnew_text = re.sub(pattern, 'banana', text)\nprint('\u66ff\u6362\u540e\u7684\u5b57\u7b26\u4e32:', new_text)  # \u8f93\u51fa: \u66ff\u6362\u540e\u7684\u5b57\u7b26\u4e32: I like banana<\/code><\/pre>\n
                                      \uff085\uff09re.split()<\/h5>\n
                                      \u6b64\u51fd\u6570\u4f9d\u636e\u5339\u914d\u7684\u6a21\u5f0f\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5206\u5272\uff0c\u5e76\u8fd4\u56de\u5206\u5272\u540e\u7684\u5217\u8868\u3002<\/p>\n
                                      pattern = r'\/s+'  # \u5339\u914d\u4e00\u4e2a\u6216\u591a\u4e2a\u7a7a\u767d\u5b57\u7b26\ntext = 'Hello   World'\nwords = re.split(pattern, text)\nprint('\u5206\u5272\u540e\u7684\u5355\u8bcd:', words)  # \u8f93\u51fa: \u5206\u5272\u540e\u7684\u5355\u8bcd: ['Hello', 'World']<\/code><\/pre>\n
                                      3. \u5339\u914d\u5bf9\u8c61\u7684\u65b9\u6cd5<\/h4>\n
                                      \u5f53\u4f7f\u7528\u00a0match()<\/code>\u3001search()<\/code>\u00a0\u7b49\u51fd\u6570\u83b7\u5f97\u5339\u914d\u5bf9\u8c61\u540e\uff0c\u53ef\u4ee5\u5229\u7528\u4ee5\u4e0b\u65b9\u6cd5\u83b7\u53d6\u66f4\u591a\u4fe1\u606f\uff1a<\/p>\n