{"id":938238,"date":"2024-12-26T20:07:31","date_gmt":"2024-12-26T12:07:31","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/938238.html"},"modified":"2024-12-26T20:07:33","modified_gmt":"2024-12-26T12:07:33","slug":"python%e5%a6%82%e4%bd%95%e8%a1%a8%e8%be%be%e4%b8%94","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/938238.html","title":{"rendered":"python\u5982\u4f55\u8868\u8fbe\u4e14"},"content":{"rendered":"

\"python\u5982\u4f55\u8868\u8fbe\u4e14\"<\/p>\n

\u5728Python\u4e2d\uff0c"\u4e14" \u7684\u903b\u8f91\u8fd0\u7b97\u901a\u5e38\u7528and<\/code>\u5173\u952e\u5b57\u8868\u793a\uff0cand<\/code>\u7528\u4e8e\u8fde\u63a5\u591a\u4e2a\u5e03\u5c14\u8868\u8fbe\u5f0f\uff0c\u8fd4\u56de\u503c\u4e3aTrue\u6216False\u3002\u5f53\u6240\u6709\u8868\u8fbe\u5f0f\u90fd\u4e3aTrue\u65f6\uff0cand<\/code>\u8fd0\u7b97\u8fd4\u56deTrue\uff0c\u5426\u5219\u8fd4\u56deFalse\u3002<\/strong> \u4f8b\u5982\uff0cif a > 0 and b > 0:<\/code> \u8fd9\u4e00\u8bed\u53e5\u5224\u65ad\u53d8\u91cfa<\/code>\u548cb<\/code>\u662f\u5426\u90fd\u5927\u4e8e0\uff0c\u8fd9\u662fand<\/code>\u8fd0\u7b97\u7684\u5178\u578b\u5e94\u7528\u4e4b\u4e00\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0cPython\u7a0b\u5e8f\u80fd\u591f\u6267\u884c\u590d\u6742\u7684\u903b\u8f91\u5224\u65ad\uff0c\u786e\u4fdd\u6761\u4ef6\u7684\u51c6\u786e\u6027\u3002<\/p>\n<\/p>\n

\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8Python\u4e2d\u903b\u8f91\u8fd0\u7b97\u7684\u7ec6\u8282\uff0c\u4ee5\u53ca\u5982\u4f55\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\u6709\u6548\u8fd0\u7528and<\/code>\u64cd\u4f5c\u7b26\u3002<\/p>\n<\/p>\n

\u4e00\u3001PYTHON\u4e2d\u7684\u57fa\u672c\u903b\u8f91\u8fd0\u7b97<\/p>\n<\/p>\n

\u5728Python\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0c\u903b\u8f91\u8fd0\u7b97\u7b26\u662f\u7528\u6765\u8fdb\u884c\u771f\u503c\u8ba1\u7b97\u7684\u5de5\u5177\u3002\u4e3b\u8981\u5305\u62ecand<\/code>\u3001or<\/code>\u548cnot<\/code>\u4e09\u79cd\uff0c\u8fd9\u4e9b\u8fd0\u7b97\u7b26\u53ef\u4ee5\u5e2e\u52a9\u7a0b\u5e8f\u5458\u8fdb\u884c\u590d\u6742\u7684\u6761\u4ef6\u5224\u65ad\u3002<\/p>\n<\/p>\n

    \n
  1. and<\/code> \u8fd0\u7b97\u7b26<\/li>\n<\/ol>\n

    and<\/code>\u662f\u6700\u5e38\u7528\u7684\u903b\u8f91\u8fd0\u7b97\u7b26\u4e4b\u4e00\uff0c\u4f5c\u7528\u662f\u8fde\u63a5\u4e24\u4e2a\u6216\u591a\u4e2a\u6761\u4ef6\u8868\u8fbe\u5f0f\u3002\u53ea\u6709\u5f53\u6240\u6709\u8868\u8fbe\u5f0f\u90fd\u4e3aTrue\u65f6\uff0c\u6574\u4e2aand<\/code>\u8868\u8fbe\u5f0f\u624d\u4f1a\u8fd4\u56deTrue\u3002\u5982\u679c\u4efb\u610f\u4e00\u4e2a\u8868\u8fbe\u5f0f\u4e3aFalse\uff0cand<\/code>\u8868\u8fbe\u5f0f\u5c06\u8fd4\u56deFalse\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

    x = 5<\/p>\n
    y = 10<\/p>\n
    if x > 0 and y < 15:<\/p>\n
        print("Both conditions are True")<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7531\u4e8ex<\/code>\u5927\u4e8e0\u4e14y<\/code>\u5c0f\u4e8e15\uff0c\u4e24\u4e2a\u6761\u4ef6\u90fd\u4e3a\u771f\uff0cprint<\/code>\u8bed\u53e5\u5c06\u4f1a\u88ab\u6267\u884c\u3002<\/p>\n<\/p>\n
      \n
    1. or<\/code> \u8fd0\u7b97\u7b26<\/li>\n<\/ol>\n
      or<\/code>\u7528\u4e8e\u8fde\u63a5\u591a\u4e2a\u5e03\u5c14\u8868\u8fbe\u5f0f\uff0c\u53ea\u8981\u5176\u4e2d\u4e00\u4e2a\u8868\u8fbe\u5f0f\u4e3aTrue\uff0cor<\/code>\u8868\u8fbe\u5f0f\u5c31\u8fd4\u56deTrue\u3002\u53ea\u6709\u5f53\u6240\u6709\u8868\u8fbe\u5f0f\u4e3aFalse\u65f6\uff0c\u5b83\u624d\u8fd4\u56deFalse\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
      x = -5<\/p>\n
      y = 10<\/p>\n
      if x > 0 or y < 15:<\/p>\n
          print("At least one condition is True")<\/p>\n
      <\/code><\/pre>\n<\/p>\n
      \u5373\u4fbfx<\/code>\u4e0d\u5927\u4e8e0\uff0c\u53ea\u8981y<\/code>\u5c0f\u4e8e15\uff0cprint<\/code>\u8bed\u53e5\u4ecd\u7136\u4f1a\u88ab\u6267\u884c\uff0c\u56e0\u4e3aor<\/code>\u8fd0\u7b97\u7b26\u53ea\u9700\u8981\u4e00\u4e2a\u6761\u4ef6\u4e3a\u771f\u3002<\/p>\n<\/p>\n
        \n
      1. not<\/code> \u8fd0\u7b97\u7b26<\/li>\n<\/ol>\n
        not<\/code>\u662f\u7528\u4e8e\u53d6\u53cd\u7684\u8fd0\u7b97\u7b26\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u5b83\u4f1a\u5c06True\u53d8\u4e3aFalse\uff0cFalse\u53d8\u4e3aTrue\u3002\u5b83\u53ea\u9488\u5bf9\u5355\u4e2a\u5e03\u5c14\u8868\u8fbe\u5f0f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
        x = True<\/p>\n
        if not x:<\/p>\n
            print("This will not be printed")<\/p>\n
        else:<\/p>\n
            print("This will be printed")<\/p>\n
        <\/code><\/pre>\n<\/p>\n
        \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u7531\u4e8ex<\/code>\u662fTrue\uff0cnot x<\/code>\u53d8\u4e3aFalse\uff0c\u56e0\u6b64else<\/code>\u5757\u4e2d\u7684\u5185\u5bb9\u4f1a\u88ab\u6253\u5370\u51fa\u6765\u3002<\/p>\n<\/p>\n
        \u4e8c\u3001AND<\/code>\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b<\/p>\n<\/p>\n
          \n
        1. \u591a\u6761\u4ef6\u63a7\u5236<\/li>\n<\/ol>\n
          \u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u7ecf\u5e38\u9700\u8981\u6839\u636e\u591a\u4e2a\u6761\u4ef6\u505a\u51fa\u5224\u65ad\u3002\u6b64\u65f6\uff0cand<\/code>\u8fd0\u7b97\u7b26\u53ef\u4ee5\u5927\u663e\u8eab\u624b\u3002\u4f8b\u5982\uff0c\u5728\u7528\u6237\u767b\u5f55\u65f6\uff0c\u9700\u8981\u540c\u65f6\u9a8c\u8bc1\u7528\u6237\u540d\u548c\u5bc6\u7801\uff1a<\/p>\n<\/p>\n
          username = "admin"<\/p>\n
          password = "123456"<\/p>\n
          input_username = input("Enter username: ")<\/p>\n
          input_password = input("Enter password: ")<\/p>\n
          if input_username == username and input_password == password:<\/p>\n
              print("Access granted")<\/p>\n
          else:<\/p>\n
              print("Access denied")<\/p>\n
          <\/code><\/pre>\n<\/p>\n
          \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u53ea\u6709\u5f53\u7528\u6237\u8f93\u5165\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u90fd\u6b63\u786e\u65f6\uff0c\u7528\u6237\u624d\u4f1a\u88ab\u5141\u8bb8\u767b\u5f55\u3002<\/p>\n<\/p>\n
            \n
          1. \u6570\u636e\u9a8c\u8bc1<\/li>\n<\/ol>\n
            \u5728\u6570\u636e\u5904\u7406\u8fc7\u7a0b\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u9a8c\u8bc1\u591a\u4e2a\u6761\u4ef6\uff0c\u4f8b\u5982\u5224\u65ad\u4e00\u4e2a\u6570\u662f\u5426\u5728\u67d0\u4e2a\u8303\u56f4\u5185\uff1a<\/p>\n<\/p>\n
            number = 25<\/p>\n
            if number >= 0 and number <= 100:<\/p>\n
                print("Number is within the range")<\/p>\n
            else:<\/p>\n
                print("Number is out of range")<\/p>\n
            <\/code><\/pre>\n<\/p>\n
            \u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cnumber<\/code>\u9700\u8981\u540c\u65f6\u6ee1\u8db3\u5927\u4e8e\u7b49\u4e8e0\u548c\u5c0f\u4e8e\u7b49\u4e8e100\u7684\u6761\u4ef6\uff0c\u8fd9\u5c31\u662fand<\/code>\u8fd0\u7b97\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n
            \u4e09\u3001\u903b\u8f91\u8fd0\u7b97\u7684\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n
              \n
            1. \u77ed\u8def\u8fd0\u7b97<\/li>\n<\/ol>\n
              Python\u4e2d\u7684\u903b\u8f91\u8fd0\u7b97\u7b26\u5177\u6709\u77ed\u8def\u7279\u6027\u3002\u5bf9\u4e8eand<\/code>\u8fd0\u7b97\u7b26\uff0c\u5982\u679c\u7b2c\u4e00\u4e2a\u8868\u8fbe\u5f0f\u4e3aFalse\uff0c\u5219\u540e\u7eed\u8868\u8fbe\u5f0f\u4e0d\u4f1a\u88ab\u8ba1\u7b97\uff0c\u56e0\u4e3a\u7ed3\u679c\u5df2\u77e5\u4e3aFalse\u3002\u8fd9\u79cd\u7279\u6027\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6548\u7387\uff1a<\/p>\n<\/p>\n
              def check():<\/p>\n
                  print("Check function called")<\/p>\n
                  return True<\/p>\n
              if False and check():<\/p>\n
                  print("This will not be printed")<\/p>\n
              <\/code><\/pre>\n<\/p>\n
              \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7531\u4e8eFalse and ...<\/code>\u5df2\u7ecf\u786e\u5b9a\u7ed3\u679c\u4e3aFalse\uff0ccheck()<\/code>\u51fd\u6570\u4e0d\u4f1a\u88ab\u8c03\u7528\uff0c\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97\u3002<\/p>\n<\/p>\n
                \n
              1. \u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7<\/li>\n<\/ol>\n
                \u5728\u8fdb\u884c\u590d\u6742\u903b\u8f91\u8fd0\u7b97\u65f6\uff0c\u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7\u9700\u8981\u7279\u522b\u6ce8\u610f\u3002not<\/code>\u7684\u4f18\u5148\u7ea7\u6700\u9ad8\uff0c\u5176\u6b21\u662fand<\/code>\uff0c\u6700\u540e\u662for<\/code>\u3002\u5728\u4e0d\u786e\u5b9a\u4f18\u5148\u7ea7\u65f6\uff0c\u4f7f\u7528\u62ec\u53f7\u53ef\u4ee5\u660e\u786e\u8868\u8fbe\u5f0f\u7684\u8ba1\u7b97\u987a\u5e8f\uff1a<\/p>\n<\/p>\n
                result = True or False and False  # Equivalent to True or (False and False)<\/p>\n
                print(result)  # Output: True<\/p>\n
                result = (True or False) and False<\/p>\n
                print(result)  # Output: False<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u62ec\u53f7\u7684\u4f7f\u7528\u6539\u53d8\u4e86\u8fd0\u7b97\u987a\u5e8f\uff0c\u4ece\u800c\u5f71\u54cd\u4e86\u7ed3\u679c\u3002<\/p>\n<\/p>\n
                \u56db\u3001\u7efc\u5408\u5b9e\u4f8b\uff1a\u6761\u4ef6\u8fc7\u6ee4<\/p>\n<\/p>\n
                \u5728\u66f4\u590d\u6742\u7684\u573a\u666f\u4e2d\uff0c\u903b\u8f91\u8fd0\u7b97\u7b26\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u6761\u4ef6\u8fc7\u6ee4\u3002\u6bd4\u5982\uff0c\u6709\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u5b57\u5178\u7684\u5217\u8868\uff0c\u60f3\u8981\u7b5b\u9009\u51fa\u7b26\u5408\u67d0\u4e9b\u6761\u4ef6\u7684\u5b57\u5178\uff1a<\/p>\n<\/p>\n
                data = [<\/p>\n
                    {"name": "Alice", "age": 30, "city": "New York"},<\/p>\n
                    {"name": "Bob", "age": 25, "city": "Los Angeles"},<\/p>\n
                    {"name": "Charlie", "age": 35, "city": "Chicago"},<\/p>\n
                ]<\/p>\n
                filtered_data = [<\/p>\n
                    person for person in data if person["age"] > 20 and person["city"] == "New York"<\/p>\n
                ]<\/p>\n
                print(filtered_data)<\/p>\n
                <\/code><\/pre>\n<\/p>\n
                \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u901a\u8fc7\u4f7f\u7528and<\/code>\u8fd0\u7b97\u7b26\uff0c\u6211\u4eec\u7b5b\u9009\u51fa\u6240\u6709\u5e74\u9f84\u5927\u4e8e20\u4e14\u57ce\u5e02\u4e3a"New York"\u7684\u4eba\u3002<\/p>\n<\/p>\n
                \u4e94\u3001\u603b\u7ed3<\/p>\n<\/p>\n
                Python\u4e2d\u7684and<\/code>\u8fd0\u7b97\u7b26\u5728\u7f16\u7a0b\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u89d2\u8272\uff0c\u53ef\u4ee5\u7528\u4e8e\u5b9e\u73b0\u590d\u6742\u7684\u903b\u8f91\u5224\u65ad\uff0c\u662f\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u7684\u5173\u952e\u3002<\/strong> \u7406\u89e3\u5e76\u7075\u6d3b\u8fd0\u7528and<\/code>\uff0c\u7ed3\u5408or<\/code>\u548cnot<\/code>\uff0c\u80fd\u591f\u5927\u5927\u589e\u5f3a\u4ee3\u7801\u7684\u903b\u8f91\u63a7\u5236\u80fd\u529b\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u53ef\u9760\u6027\u3002\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u638c\u63e1\u903b\u8f91\u8fd0\u7b97\u7b26\u7684\u7528\u6cd5\u662f\u6bcf\u4e2aPython\u5f00\u53d1\u8005\u5fc5\u987b\u5177\u5907\u7684\u57fa\u672c\u6280\u80fd\u3002<\/p>\n<\/p>\n
                \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
                 \u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u903b\u8f91\u201c\u4e14\u201d\u8fd0\u7b97\uff1f<\/strong>
                \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5173\u952e\u5b57and<\/code>\u6765\u5b9e\u73b0\u903b\u8f91\u201c\u4e14\u201d\u8fd0\u7b97\u3002\u5b83\u53ef\u4ee5\u8fde\u63a5\u4e24\u4e2a\u5e03\u5c14\u8868\u8fbe\u5f0f\uff0c\u5f53\u4e14\u4ec5\u5f53\u4e24\u4e2a\u8868\u8fbe\u5f0f\u90fd\u4e3a\u771f\u65f6\uff0c\u7ed3\u679c\u624d\u4e3a\u771f\u3002\u4f8b\u5982\uff1aif a > 0 and b > 0:<\/code> \u8fd9\u6bb5\u4ee3\u7801\u4f1a\u5728a<\/code>\u548cb<\/code>\u90fd\u5927\u4e8e0\u65f6\u6267\u884c\u76f8\u5e94\u7684\u4ee3\u7801\u5757\u3002<\/p>\n
                \u5728Python\u4e2d\u4f7f\u7528\u201c\u4e14\u201d\u8fd0\u7b97\u7684\u5e38\u89c1\u5e94\u7528\u573a\u666f\u6709\u54ea\u4e9b\uff1f<\/strong>
                \u903b\u8f91\u201c\u4e14\u201d\u8fd0\u7b97\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u5728\u6761\u4ef6\u5224\u65ad\u4e2d\u9700\u8981\u540c\u65f6\u6ee1\u8db3\u591a\u4e2a\u6761\u4ef6\u65f6\u3002\u6bd4\u5982\uff0c\u5f53\u4f60\u60f3\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u5e74\u9f84\u548c\u6536\u5165\u90fd\u5728\u4e00\u5b9a\u8303\u56f4\u5185\uff0c\u4f7f\u7528if age > 18 and income > 3000:<\/code>\u53ef\u4ee5\u786e\u4fdd\u53ea\u6709\u7b26\u5408\u8fd9\u4e24\u4e2a\u6761\u4ef6\u7684\u7528\u6237\u624d\u80fd\u901a\u8fc7\u9a8c\u8bc1\u3002<\/p>\n
                \u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u591a\u4e2a\u201c\u4e14\u201d\u6761\u4ef6\uff1f<\/strong>
                \u53ef\u4ee5\u901a\u8fc7\u8fde\u7eed\u4f7f\u7528and<\/code>\u5173\u952e\u5b57\u6765\u5904\u7406\u591a\u4e2a\u6761\u4ef6\u3002\u4f8b\u5982\uff0cif a > 0 and b > 0 and c > 0:<\/code>\u8868\u793a\u53ea\u6709\u5f53a<\/code>\u3001b<\/code>\u548cc<\/code>\u90fd\u5927\u4e8e0\u65f6\uff0c\u6761\u4ef6\u624d\u4e3a\u771f\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6e05\u6670\u5730\u8868\u8fbe\u591a\u4e2a\u6761\u4ef6\u7684\u5173\u7cfb\uff0c\u5e76\u786e\u4fdd\u6240\u6709\u6761\u4ef6\u90fd\u88ab\u8003\u8651\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c"\u4e14" \u7684\u903b\u8f91\u8fd0\u7b97\u901a\u5e38\u7528and\u5173\u952e\u5b57\u8868\u793a\uff0cand\u7528\u4e8e\u8fde\u63a5\u591a\u4e2a\u5e03\u5c14\u8868\u8fbe\u5f0f\uff0c […]","protected":false},"author":3,"featured_media":938245,"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\/938238"}],"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=938238"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/938238\/revisions"}],"predecessor-version":[{"id":938248,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/938238\/revisions\/938248"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/938245"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=938238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=938238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=938238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}