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python空函数

什么事都不做的函数就是一个空函数:

def kong():

  pass

print dir(kong())

即便是一个空函数,他也会有如下属性:

[‘__call__‘, ‘__class__‘, ‘__closure__‘, ‘__code__‘, ‘__defaults__‘, ‘__delattr__‘, ‘__dict__‘, ‘__doc__‘, ‘__format__‘, ‘__get__‘, ‘__getattribute__‘, ‘__globals__‘, ‘__hash__‘, ‘__init__‘, ‘__module__‘, ‘__name__‘, ‘__new__‘, ‘__reduce__‘, ‘__reduce_ex__‘, ‘__repr__‘, ‘__setattr__‘, ‘__sizeof__‘, ‘__str__‘, ‘__subclasshook__‘, ‘func_closure‘, ‘func_code‘, ‘func_defaults‘, ‘func_dict‘, ‘func_doc‘, ‘func_globals‘, ‘func_name‘]

我居然一直蒙在鼓里...