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执行当前文件中: __name__ == ‘__main__’ 是返回true,引用模块中的则返回false
如:现在有两python文件,one.py 和 two.py
# file one.py def func(): print("func() in one.py") print("top-level in one.py") if __name__ == "__main__": print("one.py is being run directly") else: print("one.py is being imported into another module") # file two.py import one print("top-level in two.py") one.func() if __name__ == "__main__": print("two.py is being run directly") else: print("two.py is being imported into another module")
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