对def函数的参数认识

转载:https://www.cnblogs.com/Guido-admirers/p/6068702.html

如何理解函数的形式参数*args,**kwargs

形参*args的输出形式为tuple,当输入多个实参时,按实际顺序传入一一对应

形参**kwargs的输出形式为dict,当输入实际参数时,以字典的形式传入函数中

例如:

def i(kargs, *args, **kwargs):
print(kargs,type(kargs))
print(args,type(args))
print(kwargs,type(kwargs))
i("kdk","111","ppp","uuu",a=1,b=2,c=3)

输出结果:
kdk <class 'str'>
('111', 'ppp', 'uuu') <class 'tuple'>
{'a': 1, 'c': 3, 'b': 2} <class 'dict'>

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转载自www.cnblogs.com/lummg-DAY/p/10675908.html
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