{"id":996403,"date":"2024-12-27T09:14:21","date_gmt":"2024-12-27T01:14:21","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/996403.html"},"modified":"2024-12-27T09:14:23","modified_gmt":"2024-12-27T01:14:23","slug":"python%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%ad%e6%98%af%e5%90%a6%e7%ad%89%e4%ba%8e","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/996403.html","title":{"rendered":"python\u5982\u4f55\u5224\u65ad\u662f\u5426\u7b49\u4e8e"},"content":{"rendered":"

\"python\u5982\u4f55\u5224\u65ad\u662f\u5426\u7b49\u4e8e\"<\/p>\n

\u5728Python\u4e2d\u5224\u65ad\u4e24\u4e2a\u503c\u662f\u5426\u76f8\u7b49\uff0c\u901a\u5e38\u4f7f\u7528==<\/code>\u8fd0\u7b97\u7b26\u3001is<\/code>\u5173\u952e\u5b57\u4ee5\u53ca\u81ea\u5b9a\u4e49\u6bd4\u8f83\u51fd\u6570\u3002==<\/code>\u7528\u4e8e\u6bd4\u8f83\u503c\u662f\u5426\u76f8\u7b49\uff0cis<\/code>\u7528\u4e8e\u6bd4\u8f83\u5bf9\u8c61\u7684\u8eab\u4efd\uff0c\u800c\u81ea\u5b9a\u4e49\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u590d\u6742\u7684\u5bf9\u8c61\u6bd4\u8f83\u3002<\/strong>==<\/code>\u8fd0\u7b97\u7b26\u662f\u6700\u5e38\u7528\u7684\u65b9\u5f0f\uff0c\u5b83\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u5bf9\u8c61\u7684\u503c\u662f\u5426\u76f8\u540c\uff0c\u800c\u4e0d\u662f\u5b83\u4eec\u7684\u5185\u5b58\u5730\u5740\u3002is<\/code>\u5173\u952e\u5b57\u7528\u4e8e\u68c0\u67e5\u4e24\u4e2a\u53d8\u91cf\u662f\u5426\u5f15\u7528\u540c\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5373\u5b83\u4eec\u5728\u5185\u5b58\u4e2d\u7684\u5730\u5740\u662f\u5426\u76f8\u540c\u3002\u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u80fd\u9700\u8981\u81ea\u5b9a\u4e49\u51fd\u6570\u6765\u5b9a\u4e49\u5bf9\u8c61\u6bd4\u8f83\u7684\u89c4\u5219\u3002<\/p>\n<\/p>\n

\u5728\u8be6\u7ec6\u63cf\u8ff0\u4e2d\uff0c==<\/code>\u8fd0\u7b97\u7b26<\/strong>\u662f\u5224\u65ad\u4e24\u4e2a\u503c\u662f\u5426\u76f8\u7b49\u7684\u6700\u5e38\u7528\u65b9\u6cd5\u3002\u5b83\u9002\u7528\u4e8e\u5927\u591a\u6570\u5185\u7f6e\u6570\u636e\u7c7b\u578b\uff0c\u5982\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u3001\u5217\u8868\u7b49\u3002\u5f53\u4f7f\u7528==<\/code>\u65f6\uff0cPython\u4f1a\u8c03\u7528\u5bf9\u8c61\u7684__eq__<\/code>\u65b9\u6cd5\uff0c\u56e0\u6b64\u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\u53ef\u4ee5\u81ea\u5b9a\u4e49\u6bd4\u8f83\u884c\u4e3a\u3002\u4f8b\u5982\uff0c\u4e24\u4e2a\u5b57\u7b26\u4e32"hello"<\/code>\u548c"hello"<\/code>\u5728\u503c\u4e0a\u662f\u76f8\u7b49\u7684\uff0c\u6240\u4ee5"hello" == "hello"<\/code>\u4f1a\u8fd4\u56deTrue<\/code>\u3002\u7136\u800c\uff0c==<\/code>\u5e76\u4e0d\u68c0\u67e5\u5bf9\u8c61\u662f\u5426\u662f\u540c\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u800c\u53ea\u6bd4\u8f83\u5b83\u4eec\u7684\u503c\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528==<\/code>\u8fd0\u7b97\u7b26<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u6700\u5e38\u89c1\u7684\u5224\u65ad\u662f\u5426\u76f8\u7b49\u7684\u65b9\u6cd5\u662f\u4f7f\u7528==<\/code>\u8fd0\u7b97\u7b26\u3002\u8fd9\u4e2a\u8fd0\u7b97\u7b26\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u5bf9\u8c61\u7684\u503c\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u5185\u7f6e\u6570\u636e\u7c7b\u578b\uff0c\u8fd9\u79cd\u65b9\u6cd5\u662f\u975e\u5e38\u76f4\u89c2\u548c\u9ad8\u6548\u7684\u3002<\/p>\n<\/p>\n

    \n
  1. \u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u6bd4\u8f83<\/strong><\/li>\n<\/ol>\n

    Python\u7684\u57fa\u672c\u6570\u636e\u7c7b\u578b\u5305\u62ec\u6574\u6570\u3001\u6d6e\u70b9\u6570\u3001\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u503c\u7b49\u3002\u4f7f\u7528==<\/code>\u8fd0\u7b97\u7b26\u53ef\u4ee5\u65b9\u4fbf\u5730\u6bd4\u8f83\u8fd9\u4e9b\u7c7b\u578b\u7684\u503c\u3002<\/p>\n<\/p>\n

    # \u6bd4\u8f83\u6574\u6570<\/p>\n
    a = 10<\/p>\n
    b = 10<\/p>\n
    print(a == b)  # \u8f93\u51fa: True<\/p>\n
    \u6bd4\u8f83\u6d6e\u70b9\u6570<\/strong><\/h2>\n
    c = 3.14<\/p>\n
    d = 3.14<\/p>\n
    print(c == d)  # \u8f93\u51fa: True<\/p>\n
    \u6bd4\u8f83\u5b57\u7b26\u4e32<\/strong><\/h2>\n
    e = "hello"<\/p>\n
    f = "world"<\/p>\n
    print(e == f)  # \u8f93\u51fa: False<\/p>\n
    \u6bd4\u8f83\u5e03\u5c14\u503c<\/strong><\/h2>\n
    g = True<\/p>\n
    h = False<\/p>\n
    print(g == h)  # \u8f93\u51fa: False<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c==<\/code>\u8fd0\u7b97\u7b26\u7528\u4e8e\u6bd4\u8f83\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u503c\u3002\u5982\u679c\u4e24\u4e2a\u503c\u76f8\u540c\uff0c\u5219\u8fd4\u56deTrue<\/code>\uff0c\u5426\u5219\u8fd4\u56deFalse<\/code>\u3002<\/p>\n<\/p>\n
      \n
    1. \u5217\u8868\u3001\u5143\u7ec4\u548c\u96c6\u5408\u7684\u6bd4\u8f83<\/strong><\/li>\n<\/ol>\n
      Python\u4e2d\u7684\u5217\u8868\u3001\u5143\u7ec4\u548c\u96c6\u5408\u90fd\u662f\u5bb9\u5668\u7c7b\u578b\u7684\u6570\u636e\u7ed3\u6784\u3002\u53ef\u4ee5\u4f7f\u7528==<\/code>\u8fd0\u7b97\u7b26\u6bd4\u8f83\u8fd9\u4e9b\u5bb9\u5668\u7c7b\u578b\u7684\u5185\u5bb9\u3002<\/p>\n<\/p>\n
      # \u6bd4\u8f83\u5217\u8868<\/p>\n
      list1 = [1, 2, 3]<\/p>\n
      list2 = [1, 2, 3]<\/p>\n
      print(list1 == list2)  # \u8f93\u51fa: True<\/p>\n
      \u6bd4\u8f83\u5143\u7ec4<\/strong><\/h2>\n
      tuple1 = (1, 2, 3)<\/p>\n
      tuple2 = (3, 2, 1)<\/p>\n
      print(tuple1 == tuple2)  # \u8f93\u51fa: False<\/p>\n
      \u6bd4\u8f83\u96c6\u5408<\/strong><\/h2>\n
      set1 = {1, 2, 3}<\/p>\n
      set2 = {3, 2, 1}<\/p>\n
      print(set1 == set2)  # \u8f93\u51fa: True<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5728\u6bd4\u8f83\u5217\u8868\u548c\u5143\u7ec4\u65f6\uff0c==<\/code>\u8fd0\u7b97\u7b26\u4f1a\u68c0\u67e5\u5143\u7d20\u7684\u987a\u5e8f\u548c\u5185\u5bb9\u662f\u5426\u4e00\u81f4\u3002\u800c\u5728\u96c6\u5408\u4e2d\uff0c\u987a\u5e8f\u4e0d\u91cd\u8981\uff0c\u53ea\u8981\u5185\u5bb9\u4e00\u81f4\u5c31\u4f1a\u8fd4\u56deTrue<\/code>\u3002<\/p>\n<\/p>\n
      \u4e8c\u3001\u4f7f\u7528is<\/code>\u5173\u952e\u5b57<\/p>\n<\/p>\n
      is<\/code>\u5173\u952e\u5b57\u7528\u4e8e\u68c0\u67e5\u4e24\u4e2a\u53d8\u91cf\u662f\u5426\u5f15\u7528\u540c\u4e00\u4e2a\u5bf9\u8c61\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u5224\u65ad\u4e24\u4e2a\u53d8\u91cf\u662f\u5426\u6307\u5411\u540c\u4e00\u4e2a\u5185\u5b58\u5730\u5740\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u503c\u76f8\u7b49\u3002<\/p>\n<\/p>\n
        \n
      1. \u5bf9\u8c61\u7684\u8eab\u4efd\u6bd4\u8f83<\/strong><\/li>\n<\/ol>\n
        \u5728Python\u4e2d\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u6709\u4e00\u4e2a\u552f\u4e00\u7684\u8eab\u4efd\u6807\u8bc6\u3002is<\/code>\u5173\u952e\u5b57\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u5bf9\u8c61\u7684\u8eab\u4efd\u6807\u8bc6\u3002<\/p>\n<\/p>\n
        # \u4f7f\u7528is\u6bd4\u8f83<\/p>\n
        a = [1, 2, 3]<\/p>\n
        b = a<\/p>\n
        c = [1, 2, 3]<\/p>\n
        print(a is b)  # \u8f93\u51fa: True<\/p>\n
        print(a is c)  # \u8f93\u51fa: False<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cb<\/code>\u662fa<\/code>\u7684\u5f15\u7528\uff0c\u56e0\u6b64a is b<\/code>\u8fd4\u56deTrue<\/code>\u3002\u800cc<\/code>\u662f\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u5bf9\u8c61\uff0c\u5373\u4f7f\u5b83\u4e0ea<\/code>\u7684\u5185\u5bb9\u76f8\u540c\uff0c\u4f46\u5b83\u4eec\u7684\u8eab\u4efd\u4e0d\u540c\uff0c\u56e0\u6b64a is c<\/code>\u8fd4\u56deFalse<\/code>\u3002<\/p>\n<\/p>\n
          \n
        1. is<\/code>\u4e0e==<\/code>\u7684\u533a\u522b<\/strong><\/li>\n<\/ol>\n
          is<\/code>\u4e0e==<\/code>\u4e4b\u95f4\u7684\u533a\u522b\u5728\u4e8e\uff0cis<\/code>\u7528\u4e8e\u6bd4\u8f83\u5bf9\u8c61\u7684\u8eab\u4efd\uff0c\u800c==<\/code>\u7528\u4e8e\u6bd4\u8f83\u5bf9\u8c61\u7684\u503c\u3002\u5728\u6bd4\u8f83\u53ef\u53d8\u5bf9\u8c61\uff08\u5982\u5217\u8868\u3001\u5b57\u5178\u7b49\uff09\u65f6\u5c24\u5176\u9700\u8981\u6ce8\u610f\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n
          # `is`\u4e0e`==`\u7684\u533a\u522b<\/p>\n
          x = [4, 5, 6]<\/p>\n
          y = x<\/p>\n
          z = [4, 5, 6]<\/p>\n
          print(x == y)  # \u8f93\u51fa: True<\/p>\n
          print(x is y)  # \u8f93\u51fa: True<\/p>\n
          print(x == z)  # \u8f93\u51fa: True<\/p>\n
          print(x is z)  # \u8f93\u51fa: False<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cx<\/code>\u548cy<\/code>\u5f15\u7528\u540c\u4e00\u4e2a\u5217\u8868\u5bf9\u8c61\uff0c\u56e0\u6b64x is y<\/code>\u8fd4\u56deTrue<\/code>\u3002\u4f46x<\/code>\u548cz<\/code>\u867d\u7136\u5185\u5bb9\u76f8\u540c\uff0c\u4f46\u5f15\u7528\u4e0d\u540c\u7684\u5bf9\u8c61\uff0c\u56e0\u6b64x is z<\/code>\u8fd4\u56deFalse<\/code>\u3002<\/p>\n<\/p>\n
          \u4e09\u3001\u81ea\u5b9a\u4e49\u6bd4\u8f83\u51fd\u6570<\/p>\n<\/p>\n
          \u5bf9\u4e8e\u590d\u6742\u7684\u5bf9\u8c61\u7c7b\u578b\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u81ea\u5b9a\u4e49\u6bd4\u8f83\u51fd\u6570\u6765\u5b9a\u4e49\u6bd4\u8f83\u89c4\u5219\u3002\u4f8b\u5982\uff0c\u6bd4\u8f83\u4e24\u4e2a\u81ea\u5b9a\u4e49\u7c7b\u7684\u5b9e\u4f8b\u3002<\/p>\n<\/p>\n
            \n
          1. \u81ea\u5b9a\u4e49\u7c7b\u7684\u6bd4\u8f83<\/strong><\/li>\n<\/ol>\n
            \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49\u7c7b\u7684__eq__<\/code>\u65b9\u6cd5\u6765\u81ea\u5b9a\u4e49\u5bf9\u8c61\u7684\u6bd4\u8f83\u884c\u4e3a\u3002<\/p>\n<\/p>\n
            class Person:<\/p>\n
                def __init__(self, name, age):<\/p>\n
                    self.name = name<\/p>\n
                    self.age = age<\/p>\n
                def __eq__(self, other):<\/p>\n
                    if isinstance(other, Person):<\/p>\n
                        return self.name == other.name and self.age == other.age<\/p>\n
                    return False<\/p>\n
            person1 = Person("Alice", 30)<\/p>\n
            person2 = Person("Alice", 30)<\/p>\n
            person3 = Person("Bob", 25)<\/p>\n
            print(person1 == person2)  # \u8f93\u51fa: True<\/p>\n
            print(person1 == person3)  # \u8f93\u51fa: False<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u901a\u8fc7\u5b9a\u4e49__eq__<\/code>\u65b9\u6cd5\uff0c\u81ea\u5b9a\u4e49\u4e86Person<\/code>\u7c7b\u5b9e\u4f8b\u7684\u6bd4\u8f83\u89c4\u5219\u3002\u8fd9\u6837\uff0c\u5f53\u4f7f\u7528==<\/code>\u8fd0\u7b97\u7b26\u6bd4\u8f83Person<\/code>\u5b9e\u4f8b\u65f6\uff0c\u4f1a\u6839\u636e\u59d3\u540d\u548c\u5e74\u9f84\u6765\u5224\u65ad\u5b83\u4eec\u662f\u5426\u76f8\u7b49\u3002<\/p>\n<\/p>\n
              \n
            1. \u4f7f\u7528\u6807\u51c6\u5e93\u4e2d\u7684functools<\/code>\u6a21\u5757<\/strong><\/li>\n<\/ol>\n
              Python\u7684functools<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5b9e\u7528\u7684\u5de5\u5177\u51fd\u6570\uff0c\u6bd4\u5982total_ordering<\/code>\u88c5\u9970\u5668\uff0c\u53ef\u4ee5\u5e2e\u52a9\u5b9e\u73b0\u5bf9\u8c61\u7684\u5b8c\u6574\u6bd4\u8f83\u884c\u4e3a\u3002<\/p>\n<\/p>\n
              from functools import total_ordering<\/p>\n
              @total_ordering<\/p>\n
              class Person:<\/p>\n
                  def __init__(self, name, age):<\/p>\n
                      self.name = name<\/p>\n
                      self.age = age<\/p>\n
                  def __eq__(self, other):<\/p>\n
                      if isinstance(other, Person):<\/p>\n
                          return self.name == other.name and self.age == other.age<\/p>\n
                      return False<\/p>\n
                  def __lt__(self, other):<\/p>\n
                      if isinstance(other, Person):<\/p>\n
                          return self.age < other.age<\/p>\n
                      return NotImplemented<\/p>\n
              person1 = Person("Alice", 30)<\/p>\n
              person2 = Person("Bob", 25)<\/p>\n
              print(person1 == person2)  # \u8f93\u51fa: False<\/p>\n
              print(person1 < person2)   # \u8f93\u51fa: False<\/p>\n
              print(person1 > person2)   # \u8f93\u51fa: True<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u901a\u8fc7total_ordering<\/code>\u88c5\u9970\u5668\uff0c\u53ea\u9700\u8981\u5b9a\u4e49__eq__<\/code>\u548c__lt__<\/code>\u65b9\u6cd5\uff0c\u5176\u4ed6\u6bd4\u8f83\u65b9\u6cd5\uff08\u5982__le__<\/code>\u3001__gt__<\/code>\u3001__ge__<\/code>\u7b49\uff09\u4f1a\u81ea\u52a8\u751f\u6210\u3002<\/p>\n<\/p>\n
              \u56db\u3001\u4f7f\u7528numpy<\/code>\u548cpandas<\/code>\u5e93\u8fdb\u884c\u6bd4\u8f83<\/p>\n<\/p>\n
              \u5728\u6570\u636e\u5206\u6790\u548c\u79d1\u5b66\u8ba1\u7b97\u4e2d\uff0c\u5e38\u4f7f\u7528numpy<\/code>\u548cpandas<\/code>\u5e93\u8fdb\u884c\u6570\u7ec4\u548c\u6570\u636e\u5e27\u7684\u6bd4\u8f83\u3002\u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u4e13\u95e8\u7684\u51fd\u6570\u548c\u65b9\u6cd5\u6765\u8fdb\u884c\u9ad8\u6548\u7684\u6bd4\u8f83\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
                \n
              1. \u4f7f\u7528numpy<\/code>\u8fdb\u884c\u6570\u7ec4\u6bd4\u8f83<\/strong><\/li>\n<\/ol>\n
                numpy<\/code>\u5e93\u63d0\u4f9b\u4e86array_equal<\/code>\u51fd\u6570\uff0c\u53ef\u4ee5\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u6570\u7ec4\u662f\u5426\u76f8\u7b49\u3002<\/p>\n<\/p>\n
                import numpy as np<\/p>\n
                arr1 = np.array([1, 2, 3])<\/p>\n
                arr2 = np.array([1, 2, 3])<\/p>\n
                arr3 = np.array([3, 2, 1])<\/p>\n
                print(np.array_equal(arr1, arr2))  # \u8f93\u51fa: True<\/p>\n
                print(np.array_equal(arr1, arr3))  # \u8f93\u51fa: False<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cnp.array_equal<\/code>\u51fd\u6570\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u6570\u7ec4\u7684\u5185\u5bb9\u3002\u5982\u679c\u4e24\u4e2a\u6570\u7ec4\u7684\u5f62\u72b6\u548c\u5185\u5bb9\u4e00\u81f4\uff0c\u5219\u8fd4\u56deTrue<\/code>\u3002<\/p>\n<\/p>\n
                  \n
                1. \u4f7f\u7528pandas<\/code>\u8fdb\u884c\u6570\u636e\u5e27\u6bd4\u8f83<\/strong><\/li>\n<\/ol>\n
                  pandas<\/code>\u5e93\u63d0\u4f9b\u4e86equals<\/code>\u65b9\u6cd5\uff0c\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u6570\u636e\u5e27\u6216\u7cfb\u5217\u662f\u5426\u76f8\u7b49\u3002<\/p>\n<\/p>\n
                  import pandas as pd<\/p>\n
                  df1 = pd.DataFrame({'A': [1, 2], 'B': [3, 4]})<\/p>\n
                  df2 = pd.DataFrame({'A': [1, 2], 'B': [3, 4]})<\/p>\n
                  df3 = pd.DataFrame({'A': [2, 1], 'B': [4, 3]})<\/p>\n
                  print(df1.equals(df2))  # \u8f93\u51fa: True<\/p>\n
                  print(df1.equals(df3))  # \u8f93\u51fa: False<\/p>\n
                  <\/code><\/pre>\n<\/p>\n
                  \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cequals<\/code>\u65b9\u6cd5\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u6570\u636e\u5e27\u7684\u5185\u5bb9\u3002\u5982\u679c\u6570\u636e\u5e27\u7684\u5f62\u72b6\u548c\u5185\u5bb9\u4e00\u81f4\uff0c\u5219\u8fd4\u56deTrue<\/code>\u3002<\/p>\n<\/p>\n
                  \u4e94\u3001\u603b\u7ed3<\/p>\n<\/p>\n
                  \u5728Python\u4e2d\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5224\u65ad\u4e24\u4e2a\u503c\u662f\u5426\u76f8\u7b49\u3002==<\/code>\u8fd0\u7b97\u7b26\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u5185\u7f6e\u6570\u636e\u7c7b\u578b\u3002is<\/code>\u5173\u952e\u5b57\u7528\u4e8e\u68c0\u67e5\u4e24\u4e2a\u53d8\u91cf\u662f\u5426\u5f15\u7528\u540c\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5bf9\u4e8e\u9700\u8981\u6bd4\u8f83\u5bf9\u8c61\u8eab\u4efd\u7684\u60c5\u51b5\u975e\u5e38\u6709\u7528\u3002\u5bf9\u4e8e\u81ea\u5b9a\u4e49\u5bf9\u8c61\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b9a\u4e49__eq__<\/code>\u65b9\u6cd5\u6765\u81ea\u5b9a\u4e49\u6bd4\u8f83\u884c\u4e3a\u3002\u6b64\u5916\uff0cnumpy<\/code>\u548cpandas<\/code>\u5e93\u63d0\u4f9b\u4e86\u4e13\u95e8\u7684\u51fd\u6570\u548c\u65b9\u6cd5\uff0c\u7528\u4e8e\u9ad8\u6548\u5730\u6bd4\u8f83\u6570\u7ec4\u548c\u6570\u636e\u5e27\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n<\/p>\n
                  \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                   \u5982\u4f55\u5728Python\u4e2d\u6bd4\u8f83\u4e24\u4e2a\u53d8\u91cf\u7684\u503c\uff1f<\/strong>
                  \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528==<\/code>\u8fd0\u7b97\u7b26\u6765\u5224\u65ad\u4e24\u4e2a\u53d8\u91cf\u7684\u503c\u662f\u5426\u76f8\u7b49\u3002\u5f53\u4e24\u4e2a\u53d8\u91cf\u7684\u503c\u76f8\u540c\uff0c\u8868\u8fbe\u5f0f\u4f1a\u8fd4\u56deTrue<\/code>\uff0c\u5426\u5219\u8fd4\u56deFalse<\/code>\u3002\u4f8b\u5982\uff1a  <\/p>\n
                  a = 5  \nb = 5  \nprint(a == b)  # \u8f93\u51fa: True\n<\/code><\/pre>\n
                  \u6b64\u5916\uff0cPython\u8fd8\u63d0\u4f9b\u4e86is<\/code>\u8fd0\u7b97\u7b26\u7528\u4e8e\u5224\u65ad\u4e24\u4e2a\u53d8\u91cf\u662f\u5426\u5f15\u7528\u540c\u4e00\u4e2a\u5bf9\u8c61\uff0c\u4f46\u8fd9\u5e76\u4e0d\u7b49\u540c\u4e8e\u503c\u7684\u6bd4\u8f83\u3002<\/p>\n
                  \u5728Python\u4e2d\u5982\u4f55\u5904\u7406\u6d6e\u70b9\u6570\u6bd4\u8f83\u7684\u7cbe\u5ea6\u95ee\u9898\uff1f<\/strong>
                  \u6d6e\u70b9\u6570\u5728\u8ba1\u7b97\u673a\u4e2d\u5b58\u50a8\u65f6\u53ef\u80fd\u4f1a\u5f15\u5165\u5fae\u5c0f\u7684\u7cbe\u5ea6\u8bef\u5dee\uff0c\u56e0\u6b64\u76f4\u63a5\u4f7f\u7528==<\/code>\u8fdb\u884c\u6bd4\u8f83\u53ef\u80fd\u5bfc\u81f4\u610f\u5916\u7684False<\/code>\u7ed3\u679c\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528math.isclose()<\/code>\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5\u5141\u8bb8\u8bbe\u7f6e\u4e00\u4e2a\u5bb9\u5fcd\u5ea6\uff0c\u9002\u7528\u4e8e\u8fd1\u4f3c\u76f8\u7b49\u7684\u5224\u65ad\u3002\u4f8b\u5982\uff1a  <\/p>\n
                  import math  \na = 0.1 + 0.2  \nb = 0.3  \nprint(math.isclose(a, b))  # \u8f93\u51fa: True\n<\/code><\/pre>\n
                  \u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6d6e\u70b9\u6570\u6bd4\u8f83\u65f6\u5e38\u89c1\u7684\u9519\u8bef\u3002<\/p>\n
                  Python\u4e2d\u5982\u4f55\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u76f8\u7b49\uff1f<\/strong>
                  \u5728Python\u4e2d\uff0c\u5b57\u7b26\u4e32\u7684\u6bd4\u8f83\u540c\u6837\u4f7f\u7528==<\/code>\u8fd0\u7b97\u7b26\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5b57\u7b26\u4e32\u6bd4\u8f83\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684\u3002\u82e5\u60f3\u5ffd\u7565\u5927\u5c0f\u5199\uff0c\u53ef\u4ee5\u5c06\u4e24\u4e2a\u5b57\u7b26\u4e32\u90fd\u8f6c\u6362\u4e3a\u5c0f\u5199\u6216\u5927\u5199\u540e\u518d\u8fdb\u884c\u6bd4\u8f83\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
                  str1 = "Hello"  \nstr2 = "hello"  \nprint(str1 == str2)  # \u8f93\u51fa: False  \nprint(str1.lower() == str2.lower())  # \u8f93\u51fa: True\n<\/code><\/pre>\n
                  \u8fd9\u79cd\u65b9\u6cd5\u786e\u4fdd\u65e0\u8bba\u7528\u6237\u8f93\u5165\u7684\u5927\u5c0f\u5199\u5982\u4f55\uff0c\u6bd4\u8f83\u90fd\u80fd\u6b63\u786e\u8fdb\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5224\u65ad\u4e24\u4e2a\u503c\u662f\u5426\u76f8\u7b49\uff0c\u901a\u5e38\u4f7f\u7528==\u8fd0\u7b97\u7b26\u3001is\u5173\u952e\u5b57\u4ee5\u53ca\u81ea\u5b9a\u4e49\u6bd4\u8f83\u51fd\u6570\u3002==\u7528\u4e8e\u6bd4\u8f83\u503c\u662f\u5426\u76f8\u7b49\uff0c […]","protected":false},"author":3,"featured_media":996405,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/996403"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=996403"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/996403\/revisions"}],"predecessor-version":[{"id":996407,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/996403\/revisions\/996407"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/996405"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=996403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=996403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=996403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}