python-function-non-fixed parameter

Non-fixed parameters:

The role of non-fixed parameters: You can pass a number of parameters in order to prepare for future expansion.

In the function, the name-added non-fixed function output is displayed as a dictionary, and the non-fixed function output without the name is displayed as a tuple.

def sud (Name,age,*args,**kwargs):
#*args will change the number of parameters into a tuple form display; **kwargs will display multiple incoming parameters as a dictionary.
　　Print (Name,age,args,kwargs)
　　Return
Sud ("Zhangsan", "Beijing", "Shanghai",year="2018",date="0102")

execution result:

(' Zhangsan ', ', ' (' Beijing ', ' Shanghai '), {' Date ': ' 0102 ', ' Year ': ' 2018 '})

Process finished with exit code 0

python-function-non-fixed parameter