![\"python\u7684\u8fd0\u7b97\u987a\u5e8f\u5982\u4f55\u8c03\u6574\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25203611\/35fd453b-ac60-472f-b649-26c14b190b1f.webp\")
<\/p>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u8fd0\u7b97\u987a\u5e8f\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\u3001\u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7\u3001\u51fd\u6570\u8c03\u7528\u7b49\u65b9\u5f0f\u6765\u8c03\u6574\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u4f7f\u7528\u62ec\u53f7\u53ef\u4ee5\u6539\u53d8\u8fd0\u7b97\u7b26\u7684\u9ed8\u8ba4\u4f18\u5148\u7ea7\u3001\u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7\u53ef\u4ee5\u5f71\u54cd\u8868\u8fbe\u5f0f\u7684\u8ba1\u7b97\u987a\u5e8f\u3001\u4f7f\u7528\u51fd\u6570\u53ef\u4ee5\u5c06\u590d\u6742\u7684\u8fd0\u7b97\u5c01\u88c5\u8d77\u6765\u3002<\/strong> \u4f8b\u5982\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u590d\u6742\u7684\u6570\u5b66\u8868\u8fbe\u5f0f\uff0c\u5e76\u4e14\u5e0c\u671b\u67d0\u4e9b\u90e8\u5206\u5148\u8ba1\u7b97\uff0c\u4f60\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u90e8\u5206\u653e\u5728\u62ec\u53f7\u5185\uff0cPython\u4f1a\u4f18\u5148\u8ba1\u7b97\u62ec\u53f7\u5185\u7684\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n \u62ec\u53f7\u662f\u8c03\u6574\u8fd0\u7b97\u987a\u5e8f\u7684\u6700\u76f4\u63a5\u65b9\u6cd5\u3002Python\u4f1a\u9996\u5148\u8ba1\u7b97\u62ec\u53f7\u5185\u7684\u8868\u8fbe\u5f0f\uff0c\u7136\u540e\u518d\u8fdb\u884c\u5176\u4ed6\u8fd0\u7b97\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa 20<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c print(result) # \u8f93\u51fa 14<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u91cc\uff0c\u4e58\u6cd5 Python\u4e2d\u6709\u8bb8\u591a\u8fd0\u7b97\u7b26\uff0c\u6bcf\u4e2a\u8fd0\u7b97\u7b26\u90fd\u6709\u5176\u4f18\u5148\u7ea7\u3002\u4f18\u5148\u7ea7\u51b3\u5b9a\u4e86\u5728\u6ca1\u6709\u62ec\u53f7\u7684\u60c5\u51b5\u4e0b\uff0c\u54ea\u4e2a\u8fd0\u7b97\u7b26\u4f1a\u5148\u8ba1\u7b97\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7\uff0c\u4ece\u9ad8\u5230\u4f4e\u6392\u5217\uff1a<\/p>\n<\/p>\n \u901a\u8fc7\u4e86\u89e3\u8fd9\u4e9b\u4f18\u5148\u7ea7\uff0c\u4f60\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u548c\u9884\u6d4b\u8868\u8fbe\u5f0f\u7684\u8ba1\u7b97\u987a\u5e8f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa 50<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c \u6709\u65f6\u5019\uff0c\u590d\u6742\u7684\u8fd0\u7b97\u53ef\u4ee5\u901a\u8fc7\u51fd\u6570\u6765\u5c01\u88c5\u3002\u8fd9\u6837\u4e0d\u4ec5\u53ef\u4ee5\u8c03\u6574\u8fd0\u7b97\u987a\u5e8f\uff0c\u8fd8\u80fd\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n return (a + b) * c<\/p>\n result = complex_operation(2, 3, 4)<\/p>\n print(result) # \u8f93\u51fa 20<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u51fd\u6570 \u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\u548c\u62ec\u53f7\u901a\u5e38\u662f\u7ed3\u5408\u4f7f\u7528\u7684\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u8868\u8fbe\u5f0f\u6309\u7167\u9884\u671f\u7684\u987a\u5e8f\u8ba1\u7b97\uff0c\u540c\u65f6\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa 5.0<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u62ec\u53f7\u786e\u4fdd\u4e86\u5404\u90e8\u5206\u6309\u7167\u9884\u671f\u987a\u5e8f\u8ba1\u7b97\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a \u5728\u903b\u8f91\u8868\u8fbe\u5f0f\u4e2d\uff0c\u8fd0\u7b97\u987a\u5e8f\u540c\u6837\u91cd\u8981\u3002Python\u4e2d\u7684\u903b\u8f91\u8fd0\u7b97\u7b26 print(result) # \u8f93\u51fa True<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c \u4e3a\u4e86\u786e\u4fdd\u903b\u8f91\u8868\u8fbe\u5f0f\u6309\u7167\u9884\u671f\u987a\u5e8f\u8ba1\u7b97\uff0c\u53ef\u4ee5\u4f7f\u7528\u62ec\u53f7\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa False<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c Python\u4e2d\u7684\u6761\u4ef6\u8868\u8fbe\u5f0f\uff08\u4e5f\u79f0\u4e3a\u4e09\u5143\u8fd0\u7b97\u7b26\uff09\u53ef\u4ee5\u6839\u636e\u6761\u4ef6\u7684\u771f\u5047\u8fd4\u56de\u4e0d\u540c\u7684\u503c\u3002\u6761\u4ef6\u8868\u8fbe\u5f0f\u7684\u8bed\u6cd5\u4e3a\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u6761\u4ef6\u8868\u8fbe\u5f0f\u4e2d\uff0c\u6761\u4ef6\u7684\u8ba1\u7b97\u987a\u5e8f\u540c\u6837\u91cd\u8981\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa Yes<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6761\u4ef6 \u901a\u8fc7\u7ed3\u5408\u6761\u4ef6\u8868\u8fbe\u5f0f\u548c\u62ec\u53f7\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u52a0\u590d\u6742\u7684\u903b\u8f91\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa Yes<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u62ec\u53f7\u786e\u4fdd\u4e86 Python\u4e2d\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u540c\u6837\u6d89\u53ca\u8fd0\u7b97\u987a\u5e8f\u3002\u4f8b\u5982\uff0c\u5b57\u7b26\u4e32\u7684\u62fc\u63a5\u548c\u91cd\u590d\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa Hello WorldWorld<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c \u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\uff0c\u53ef\u4ee5\u8c03\u6574\u5b57\u7b26\u4e32\u64cd\u4f5c\u7684\u987a\u5e8f\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa Hello Hello World<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c Python\u4e2d\u7684\u5217\u8868\u64cd\u4f5c\u540c\u6837\u6d89\u53ca\u8fd0\u7b97\u987a\u5e8f\u3002\u4f8b\u5982\uff0c\u5217\u8868\u7684\u62fc\u63a5\u548c\u91cd\u590d\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa [1, 2, 3, 4, 3, 4]<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c \u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\uff0c\u53ef\u4ee5\u8c03\u6574\u5217\u8868\u64cd\u4f5c\u7684\u987a\u5e8f\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa [1, 2, 3, 4, 1, 2, 3, 4]<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c Python\u4e2d\u7684\u96c6\u5408\u64cd\u4f5c\u540c\u6837\u6d89\u53ca\u8fd0\u7b97\u987a\u5e8f\u3002\u4f8b\u5982\uff0c\u96c6\u5408\u7684\u5e76\u96c6\u548c\u4ea4\u96c6\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa {1, 2, 3}<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c \u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\uff0c\u53ef\u4ee5\u8c03\u6574\u96c6\u5408\u64cd\u4f5c\u7684\u987a\u5e8f\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa {2}<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c Python\u4e2d\u7684\u5b57\u5178\u64cd\u4f5c\u540c\u6837\u6d89\u53ca\u8fd0\u7b97\u987a\u5e8f\u3002\u4f8b\u5982\uff0c\u5b57\u5178\u7684\u952e\u503c\u5bf9\u66f4\u65b0\u548c\u5408\u5e76\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n dict2 = {'b': 3, 'c': 4}<\/p>\n result = {<strong>dict1, <\/strong>dict2}<\/p>\n print(result) # \u8f93\u51fa {'a': 1, 'b': 3, 'c': 4}<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c \u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\uff0c\u53ef\u4ee5\u8c03\u6574\u5b57\u5178\u64cd\u4f5c\u7684\u987a\u5e8f\uff1a<\/p>\n<\/p>\n dict2 = {'b': 3, 'c': 4}<\/p>\n result = {<strong>(dict1), <\/strong>dict2}<\/p>\n print(result) # \u8f93\u51fa {'a': 1, 'b': 3, 'c': 4}<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u62ec\u53f7\u5e76\u672a\u6539\u53d8\u64cd\u4f5c\u7684\u987a\u5e8f\uff0c\u4f46\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n \u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u7c7b\u548c\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u64cd\u4f5c\u540c\u6837\u6d89\u53ca\u8fd0\u7b97\u987a\u5e8f\u3002\u4f8b\u5982\uff0c\u8c03\u7528\u5bf9\u8c61\u7684\u65b9\u6cd5\u548c\u8bbf\u95ee\u5c5e\u6027\uff1a<\/p>\n<\/p>\n def __init__(self, value):<\/p>\n self.value = value<\/p>\n def increment(self):<\/p>\n self.value += 1<\/p>\n return self.value<\/p>\n obj = MyClass(5)<\/p>\n result = obj.increment() + obj.value<\/p>\n print(result) # \u8f93\u51fa 12<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c \u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\uff0c\u53ef\u4ee5\u8c03\u6574\u5bf9\u8c61\u64cd\u4f5c\u7684\u987a\u5e8f\uff1a<\/p>\n<\/p>\n def __init__(self, value):<\/p>\n self.value = value<\/p>\n def increment(self):<\/p>\n self.value += 1<\/p>\n return self.value<\/p>\n obj = MyClass(5)<\/p>\n result = (obj.increment()) + obj.value<\/p>\n print(result) # \u8f93\u51fa 12<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u62ec\u53f7\u5e76\u672a\u6539\u53d8\u64cd\u4f5c\u7684\u987a\u5e8f\uff0c\u4f46\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n \u751f\u6210\u5668\u8868\u8fbe\u5f0f\u662f\u521b\u5efa\u8fed\u4ee3\u5668\u7684\u4e00\u79cd\u7d27\u51d1\u65b9\u5f0f\uff0c\u8fd0\u7b97\u987a\u5e8f\u540c\u6837\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u548c\u5217\u8868\u63a8\u5bfc\u5f0f\u7684\u7ed3\u5408\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa 12<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u751f\u6210\u5668\u8868\u8fbe\u5f0f \u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\uff0c\u53ef\u4ee5\u8c03\u6574\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u7684\u987a\u5e8f\uff1a<\/p>\n<\/p>\n print(result) # \u8f93\u51fa 12<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u62ec\u53f7\u5e76\u672a\u6539\u53d8\u64cd\u4f5c\u7684\u987a\u5e8f\uff0c\u4f46\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n \u5728\u6587\u4ef6\u64cd\u4f5c\u4e2d\uff0c\u8fd0\u7b97\u987a\u5e8f\u540c\u6837\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u6253\u5f00\u6587\u4ef6\u3001\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u548c\u5904\u7406\u6587\u4ef6\u5185\u5bb9\uff1a<\/p>\n<\/p>\n content = file.read()<\/p>\n result = content.upper()<\/p>\n print(result)<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c \u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\uff0c\u53ef\u4ee5\u8c03\u6574\u6587\u4ef6\u64cd\u4f5c\u7684\u987a\u5e8f\uff1a<\/p>\n<\/p>\n content = (file.read())<\/p>\n result = content.upper()<\/p>\n print(result)<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u62ec\u53f7\u5e76\u672a\u6539\u53d8\u64cd\u4f5c\u7684\u987a\u5e8f\uff0c\u4f46\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n \u5728\u9519\u8bef\u5904\u7406\uff08\u5f02\u5e38\u5904\u7406\uff09\u4e2d\uff0c\u8fd0\u7b97\u987a\u5e8f\u540c\u6837\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5c1d\u8bd5\u6267\u884c\u4ee3\u7801\u3001\u6355\u83b7\u5f02\u5e38\u548c\u5904\u7406\u5f02\u5e38\uff1a<\/p>\n<\/p>\n result = 10 \/ 0<\/p>\n except ZeroDivisionError:<\/p>\n result = 'Error'<\/p>\n print(result) # \u8f93\u51fa Error<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c \u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\uff0c\u53ef\u4ee5\u8c03\u6574\u9519\u8bef\u5904\u7406\u7684\u987a\u5e8f\uff1a<\/p>\n<\/p>\n result = (10 \/ 0)<\/p>\n except ZeroDivisionError:<\/p>\n result = 'Error'<\/p>\n print(result) # \u8f93\u51fa Error<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u62ec\u53f7\u5e76\u672a\u6539\u53d8\u64cd\u4f5c\u7684\u987a\u5e8f\uff0c\u4f46\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n \u5728\u591a\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b\u7f16\u7a0b\u4e2d\uff0c\u8fd0\u7b97\u987a\u5e8f\u540c\u6837\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u521b\u5efa\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u3001\u542f\u52a8\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u548c\u7b49\u5f85\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u5b8c\u6210\uff1a<\/p>\n<\/p>\n def worker():<\/p>\n print('Worker')<\/p>\n thread = threading.Thread(target=worker)<\/p>\n thread.start()<\/p>\n thread.join()<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u521b\u5efa\u7ebf\u7a0b \u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\uff0c\u53ef\u4ee5\u8c03\u6574\u591a\u7ebf\u7a0b\u64cd\u4f5c\u7684\u987a\u5e8f\uff1a<\/p>\n<\/p>\n def worker():<\/p>\n print('Worker')<\/p>\n thread = (threading.Thread(target=worker))<\/p>\n (thread.start())<\/p>\n (thread.join())<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u62ec\u53f7\u5e76\u672a\u6539\u53d8\u64cd\u4f5c\u7684\u987a\u5e8f\uff0c\u4f46\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n \u5728\u6a21\u5757\u548c\u5305\u7684\u5bfc\u5165\u548c\u4f7f\u7528\u4e2d\uff0c\u8fd0\u7b97\u987a\u5e8f\u540c\u6837\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5bfc\u5165\u6a21\u5757\u6216\u5305\u3001\u8c03\u7528\u6a21\u5757\u6216\u5305\u4e2d\u7684\u51fd\u6570\u6216\u7c7b\uff1a<\/p>\n<\/p>\n result = math.sqrt(16)<\/p>\n print(result) # \u8f93\u51fa 4.0<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5bfc\u5165\u6a21\u5757 \u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\uff0c\u53ef\u4ee5\u8c03\u6574\u6a21\u5757\u64cd\u4f5c\u7684\u987a\u5e8f\uff1a<\/p>\n<\/p>\n result = (math.sqrt(16))<\/p>\n print(result) # \u8f93\u51fa 4.0<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u62ec\u53f7\u5e76\u672a\u6539\u53d8\u64cd\u4f5c\u7684\u987a\u5e8f\uff0c\u4f46\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n \u5728\u4f7f\u7528\u88c5\u9970\u5668\u65f6\uff0c\u8fd0\u7b97\u987a\u5e8f\u540c\u6837\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5b9a\u4e49\u88c5\u9970\u5668\u3001\u5e94\u7528\u88c5\u9970\u5668\u548c\u8c03\u7528\u88ab\u88c5\u9970\u7684\u51fd\u6570\uff1a<\/p>\n<\/p>\n def wrapper():<\/p>\n print('Before')<\/p>\n func()<\/p>\n print('After')<\/p>\n return wrapper<\/p>\n @decorator<\/p>\n def say_hello():<\/p>\n print('Hello')<\/p>\n say_hello()<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b9a\u4e49\u88c5\u9970\u5668 Hello<\/p>\n After<\/p>\n <\/code><\/pre>\n<\/p>\n \u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\uff0c\u53ef\u4ee5\u8c03\u6574\u88c5\u9970\u5668\u64cd\u4f5c\u7684\u987a\u5e8f\uff1a<\/p>\n<\/p>\n def wrapper():<\/p>\n print('Before')<\/p>\n func()<\/p>\n print('After')<\/p>\n return wrapper<\/p>\n @decorator<\/p>\n def say_hello():<\/p>\n print('Hello')<\/p>\n (say_hello())<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u62ec\u53f7\u5e76\u672a\u6539\u53d8\u64cd\u4f5c\u7684<\/p>\n<\/p>\n \u5728Python\u4e2d\uff0c\u5982\u4f55\u4f18\u5148\u6267\u884c\u67d0\u4e9b\u8fd0\u7b97\uff1f<\/strong> Python\u7684\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\u662f\u5982\u4f55\u6392\u5217\u7684\uff1f<\/strong> \u5728Python\u4e2d\uff0c\u5982\u4f55\u5904\u7406\u591a\u4e2a\u76f8\u540c\u4f18\u5148\u7ea7\u7684\u8fd0\u7b97\u7b26\uff1f<\/strong>\u4e00\u3001\u4f7f\u7528\u62ec\u53f7\u8c03\u6574\u8fd0\u7b97\u987a\u5e8f<\/h3>\n<\/p>\n
result = (2 + 3) * 4<\/p>\n2 + 3<\/code> \u4f1a\u9996\u5148\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a 5<\/code>\uff0c\u7136\u540e\u518d\u4e58\u4ee5 4<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a 20<\/code>\u3002\u5982\u679c\u4e0d\u4f7f\u7528\u62ec\u53f7\uff0c\u8fd0\u7b97\u987a\u5e8f\u4f1a\u6309\u7167\u9ed8\u8ba4\u7684\u4f18\u5148\u7ea7\u8fdb\u884c\uff0c\u4ece\u800c\u5f97\u5230\u4e0d\u540c\u7684\u7ed3\u679c\uff1a<\/p>\n<\/p>\nresult = 2 + 3 * 4<\/p>\n3 * 4<\/code> \u4f1a\u5148\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a 12<\/code>\uff0c\u7136\u540e\u518d\u52a0\u4e0a 2<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a 14<\/code>\u3002<\/p>\n<\/p>\n\u4e8c\u3001\u7406\u89e3\u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7<\/h3>\n<\/p>\n
\n
()<\/code><\/li>\n<\/code><\/li>\n+x<\/code>, -x<\/code><\/li>\n*<\/code>, \/<\/code>, %<\/code>, \/\/<\/code><\/li>\n+<\/code>, -<\/code><\/li>\n<<\/code>, <=<\/code>, ><\/code>, >=<\/code><\/li>\n==<\/code>, !=<\/code><\/li>\n=<\/code>, +=<\/code>, -=<\/code>, *=<\/code>, \/=<\/code>, %=<\/code>, \/\/=<\/code>, =<\/code><\/li>\n<\/ol>\nresult = 2 + 3 * 4 2<\/p>\n4 2<\/code> \u4f1a\u9996\u5148\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a 16<\/code>\uff0c\u7136\u540e 3 * 16<\/code>\uff0c\u7ed3\u679c\u4e3a 48<\/code>\uff0c\u6700\u540e 2 + 48<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a 50<\/code>\u3002<\/p>\n<\/p>\n\u4e09\u3001\u4f7f\u7528\u51fd\u6570\u8c03\u7528\u5c01\u88c5\u590d\u6742\u8fd0\u7b97<\/h3>\n<\/p>\n
def complex_operation(a, b, c):<\/p>\ncomplex_operation<\/code> \u5c01\u88c5\u4e86 (a + b) * c<\/code> \u7684\u8fd0\u7b97\u3002\u8c03\u7528\u8be5\u51fd\u6570\u65f6\uff0c\u53c2\u6570 2<\/code>, 3<\/code>, 4<\/code> \u5206\u522b\u4f20\u9012\u7ed9 a<\/code>, b<\/code>, c<\/code>\uff0c\u6700\u7ec8\u8ba1\u7b97\u7ed3\u679c\u4e3a 20<\/code>\u3002<\/p>\n<\/p>\n\u56db\u3001\u7ed3\u5408\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\u548c\u62ec\u53f7<\/h3>\n<\/p>\n
result = (2 + 3) * (4 - 1) \/ (5 % 3)<\/p>\n5.0<\/code>\u3002<\/p>\n<\/p>\n\u4e94\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u903b\u8f91\u8868\u8fbe\u5f0f\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
and<\/code> \u548c or<\/code> \u4e5f\u6709\u5176\u4f18\u5148\u7ea7\uff0cand<\/code> \u7684\u4f18\u5148\u7ea7\u9ad8\u4e8e or<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\nresult = True or False and False<\/p>\nFalse and False<\/code> \u4f1a\u9996\u5148\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a False<\/code>\uff0c\u7136\u540e True or False<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a True<\/code>\u3002<\/p>\n<\/p>\nresult = (True or False) and False<\/p>\nTrue or False<\/code> \u4f1a\u9996\u5148\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a True<\/code>\uff0c\u7136\u540e True and False<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a False<\/code>\u3002<\/p>\n<\/p>\n\u516d\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u6761\u4ef6\u8868\u8fbe\u5f0f\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
result = a if condition else b<\/p>\nresult = 'Yes' if 2 > 1 else 'No'<\/p>\n2 > 1<\/code> \u4e3a\u771f\uff0c\u8fd4\u56de\u503c\u4e3a Yes<\/code>\u3002<\/p>\n<\/p>\nresult = 'Yes' if (2 + 3) > (4 * 1) else 'No'<\/p>\n(2 + 3)<\/code> \u548c (4 * 1)<\/code> \u5206\u522b\u8ba1\u7b97\uff0c\u6700\u7ec8\u6761\u4ef6 (5 > 4)<\/code> \u4e3a\u771f\uff0c\u8fd4\u56de\u503c\u4e3a Yes<\/code>\u3002<\/p>\n<\/p>\n\u4e03\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u5b57\u7b26\u4e32\u64cd\u4f5c\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
result = 'Hello' + ' ' + 'World' * 2<\/p>\n'World' * 2<\/code> \u4f1a\u9996\u5148\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a 'WorldWorld'<\/code>\uff0c\u7136\u540e 'Hello' + ' ' + 'WorldWorld'<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a 'Hello WorldWorld'<\/code>\u3002<\/p>\n<\/p>\nresult = ('Hello' + ' ') * 2 + 'World'<\/p>\n('Hello' + ' ') * 2<\/code> \u4f1a\u9996\u5148\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a 'Hello Hello '<\/code>\uff0c\u7136\u540e 'Hello Hello ' + 'World'<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a 'Hello Hello World'<\/code>\u3002<\/p>\n<\/p>\n\u516b\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u5217\u8868\u64cd\u4f5c\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
result = [1, 2] + [3, 4] * 2<\/p>\n[3, 4] * 2<\/code> \u4f1a\u9996\u5148\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a [3, 4, 3, 4]<\/code>\uff0c\u7136\u540e [1, 2] + [3, 4, 3, 4]<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a [1, 2, 3, 4, 3, 4]<\/code>\u3002<\/p>\n<\/p>\nresult = ([1, 2] + [3, 4]) * 2<\/p>\n[1, 2] + [3, 4]<\/code> \u4f1a\u9996\u5148\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a [1, 2, 3, 4]<\/code>\uff0c\u7136\u540e [1, 2, 3, 4] * 2<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a [1, 2, 3, 4, 1, 2, 3, 4]<\/code>\u3002<\/p>\n<\/p>\n\u4e5d\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u96c6\u5408\u64cd\u4f5c\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
result = {1, 2} | {3, 4} & {2, 3}<\/p>\n{3, 4} & {2, 3}<\/code> \u4f1a\u9996\u5148\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a {3}<\/code>\uff0c\u7136\u540e {1, 2} | {3}<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a {1, 2, 3}<\/code>\u3002<\/p>\n<\/p>\nresult = ({1, 2} | {3, 4}) & {2, 3}<\/p>\n{1, 2} | {3, 4}<\/code> \u4f1a\u9996\u5148\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a {1, 2, 3, 4}<\/code>\uff0c\u7136\u540e {1, 2, 3, 4} & {2, 3}<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a {2}<\/code>\u3002<\/p>\n<\/p>\n\u5341\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u5b57\u5178\u64cd\u4f5c\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
dict1 = {'a': 1, 'b': 2}<\/p>\ndict2<\/code> \u4e2d\u7684\u952e\u503c\u5bf9\u4f1a\u8986\u76d6 dict1<\/code> \u4e2d\u76f8\u540c\u7684\u952e\u503c\u5bf9\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a {'a': 1, 'b': 3, 'c': 4}<\/code>\u3002<\/p>\n<\/p>\ndict1 = {'a': 1, 'b': 2}<\/p>\n\u5341\u4e00\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u7c7b\u548c\u5bf9\u8c61\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
class MyClass:<\/p>\nobj.increment()<\/code> \u4f1a\u9996\u5148\u8c03\u7528\uff0c\u7ed3\u679c\u4e3a 6<\/code>\uff0c\u7136\u540e 6 + obj.value<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a 12<\/code>\u3002<\/p>\n<\/p>\nclass MyClass:<\/p>\n\u5341\u4e8c\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u751f\u6210\u5668\u8868\u8fbe\u5f0f\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
result = sum(x * 2 for x in [1, 2, 3])<\/p>\nx * 2 for x in [1, 2, 3]<\/code> \u4f1a\u9996\u5148\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a [2, 4, 6]<\/code>\uff0c\u7136\u540e sum([2, 4, 6])<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a 12<\/code>\u3002<\/p>\n<\/p>\nresult = sum((x * 2 for x in [1, 2, 3]))<\/p>\n\u5341\u4e09\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u6587\u4ef6\u64cd\u4f5c\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
with open('example.txt', 'r') as file:<\/p>\nfile.read()<\/code> \u4f1a\u9996\u5148\u8c03\u7528\uff0c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u7136\u540e content.upper()<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a\u6587\u4ef6\u5185\u5bb9\u7684\u5927\u5199\u5f62\u5f0f\u3002<\/p>\n<\/p>\nwith open('example.txt', 'r') as file:<\/p>\n\u5341\u56db\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u9519\u8bef\u5904\u7406\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
try:<\/p>\n10 \/ 0<\/code> \u4f1a\u9996\u5148\u8ba1\u7b97\uff0c\u629b\u51fa ZeroDivisionError<\/code> \u5f02\u5e38\uff0c\u7136\u540e\u6355\u83b7\u5f02\u5e38\u5e76\u5904\u7406\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a 'Error'<\/code>\u3002<\/p>\n<\/p>\ntry:<\/p>\n\u5341\u4e94\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u591a\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
import threading<\/p>\nthreading.Thread(target=worker)<\/code> \u4f1a\u9996\u5148\u6267\u884c\uff0c\u7136\u540e\u542f\u52a8\u7ebf\u7a0b thread.start()<\/code>\uff0c\u6700\u540e\u7b49\u5f85\u7ebf\u7a0b\u5b8c\u6210 thread.join()<\/code>\u3002<\/p>\n<\/p>\nimport threading<\/p>\n\u5341\u516d\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u6a21\u5757\u548c\u5305\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
import math<\/p>\nimport math<\/code> \u4f1a\u9996\u5148\u6267\u884c\uff0c\u7136\u540e\u8c03\u7528\u6a21\u5757\u4e2d\u7684\u51fd\u6570 math.sqrt(16)<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a 4.0<\/code>\u3002<\/p>\n<\/p>\nimport math<\/p>\n\u5341\u4e03\u3001\u8fd0\u7b97\u987a\u5e8f\u5728\u88c5\u9970\u5668\u4e2d\u7684\u5e94\u7528<\/h3>\n<\/p>\n
def decorator(func):<\/p>\ndecorator<\/code> \u4f1a\u9996\u5148\u6267\u884c\uff0c\u7136\u540e\u5e94\u7528\u88c5\u9970\u5668 @decorator<\/code>\uff0c\u6700\u540e\u8c03\u7528\u88ab\u88c5\u9970\u7684\u51fd\u6570 say_hello()<\/code>\uff0c\u6700\u7ec8\u7ed3\u679c\u4e3a\uff1a<\/p>\n<\/p>\nBefore<\/p>\ndef decorator(func):<\/p>\n\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\u6765\u6539\u53d8\u8fd0\u7b97\u7684\u4f18\u5148\u7ea7\u3002\u62ec\u53f7\u5185\u7684\u8868\u8fbe\u5f0f\u4f1a\u9996\u5148\u88ab\u8ba1\u7b97\uff0c\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u91cd\u8981\u7684\u8fd0\u7b97\u5728\u5176\u4ed6\u8fd0\u7b97\u4e4b\u524d\u5b8c\u6210\u3002\u4f8b\u5982\uff0c\u5728\u8868\u8fbe\u5f0f 3 + 2 * 5<\/code> \u4e2d\uff0c\u4e58\u6cd5\u4f1a\u4f18\u5148\u4e8e\u52a0\u6cd5\u8ba1\u7b97\u3002\u5982\u679c\u60f3\u8ba9\u52a0\u6cd5\u4f18\u5148\u6267\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u62ec\u53f7\uff0c\u5982 (3 + 2) * 5<\/code>\u3002<\/p>\n
Python\u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7\u4ece\u9ad8\u5230\u4f4e\u4f9d\u6b21\u4e3a\uff1a\u62ec\u53f7\u3001\u6307\u6570\u8fd0\u7b97\u3001\u4e58\u6cd5\u548c\u9664\u6cd5\u3001\u52a0\u6cd5\u548c\u51cf\u6cd5\u3002\u4e86\u89e3\u8fd9\u4e9b\u4f18\u5148\u7ea7\u53ef\u4ee5\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u4e66\u5199\u548c\u7406\u89e3\u590d\u6742\u7684\u8868\u8fbe\u5f0f\u3002\u53ef\u4ee5\u901a\u8fc7\u67e5\u9605Python\u7684\u5b98\u65b9\u6587\u6863\u83b7\u53d6\u8be6\u7ec6\u7684\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\u8868\u3002<\/p>\n
\u5f53\u591a\u4e2a\u8fd0\u7b97\u7b26\u5177\u6709\u76f8\u540c\u7684\u4f18\u5148\u7ea7\u65f6\uff0cPython\u4f1a\u6309\u7167\u4ece\u5de6\u5230\u53f3\u7684\u987a\u5e8f\u8fdb\u884c\u8ba1\u7b97\u3002\u4f8b\u5982\uff0c\u5728\u8868\u8fbe\u5f0f 10 - 5 + 2<\/code> \u4e2d\uff0c\u51cf\u6cd5\u548c\u52a0\u6cd5\u7684\u4f18\u5148\u7ea7\u76f8\u540c\uff0c\u56e0\u6b64\u5c06\u4ece\u5de6\u5230\u53f3\u4f9d\u6b21\u8ba1\u7b97\uff0c\u7ed3\u679c\u4e3a 7<\/code>\u3002\u7406\u89e3\u8fd9\u4e00\u70b9\u80fd\u591f\u5e2e\u52a9\u907f\u514d\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u4ea7\u751f\u610f\u5916\u7684\u7ed3\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u8fd0\u7b97\u987a\u5e8f\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u62ec\u53f7\u3001\u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7\u3001\u51fd\u6570\u8c03\u7528\u7b49\u65b9\u5f0f\u6765\u8c03\u6574\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u4f7f\u7528\u62ec\u53f7\u53ef\u4ee5\u6539\u53d8\u8fd0 […]","protected":false},"author":3,"featured_media":1162663,"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\/1162655"}],"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=1162655"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1162655\/revisions"}],"predecessor-version":[{"id":1162665,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1162655\/revisions\/1162665"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1162663"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1162655"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1162655"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1162655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}