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python decorator

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def decator(func):
    def inner_func(*args):
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        return func(*args)
    return inner_func
   
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def add(a, ......

Python 3 ½Ì³Ì¶þ:Îļþ,Ŀ¼ºÍ·¾¶

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import  os.path
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rootdir  =   " d:/download "
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