difference between args and kwargs

Let's look at an example:def foo (*args, **kwargs): print ' args = ', args print ' Kwargs = ', Kwargs print '---------------------------- -----------' if __name__ = = ' __main__ ': foo (1,2,3,4) foo (a=1,b=2,c=3) foo (1,2,3,4,

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*args and **kwargs are primarily used for function definitions. You can pass an indefinite number of arguments to a function. The indefinite meaning is: in advance do not know, the function user will pass the number of parameters to you, so in this

You can often see *args and **kwargs in Python's function arguments, which is the magic parameter of Python, a variable parameter that supports passing in multiple parameters, and look at the difference between them. *args represents any number of

Python * args ** kwargs, pythonargskwargs To put it simply, * args and ** kwargs will be used when you cannot determine the number of input parameters. Here, the asterisk is just a code name behind it. You can also write it as. The difference

This article mainly introduced the python variable parameter *args and **kwargs usage, combined with the example form summarizes the variable parameter *args and the **kwargs function, the difference and the specific use skill in Python, the need

When the parameters of a Python function are indeterminate, you can use *args and **kwargs to refer to an indefinite number of arguments.The difference between the two is that *args is a tuple (tuple), and **kwargs is a dict (dictionary). To put it

On a piece of code, let's feel it. def test_param (*args): Print (args) def test_param2 (**args): Print (args) Test_param (' test1 ', ' test2 ') >>> (' test1 ', Test2 ') Test_param2 (p1= ' test1 ', p2= ' test2 ') >>>{' p1 '

Python class: class creation, data method attributes and access control details, python Access Control In Python, you can use the class keyword to define your own class, and then create an instance object through the custom class Object

Summary of common Python knowledge points and python Summary 1. Set Basic Data Type A. set is an unordered and non-repeating element set. Class set (object): "set ()-> new empty set object set (iterable)-> new set object Build an unordered