python-when defining a function, the default value parameter cannot be placed before the required parameter in the variable length parameter

If a function parameter contains a default parameter, then all parameters after this default parameter must be the default parameter, otherwise it will be error: syntaxerror:non-default argument follows default argument

For example:

#-*-Coding:utf-8-*-
def test (a=11,b,c):    #默认值参数不能放在必选参数前面
Print (a)
Print (b)
Print (c)

Test (11,22,33)

Correct:

# -*-coding:utf-8-*- def Test (a,b,c=33):    print(a)    print(b)     Print (c)    test (11,22,33)

Output Result:

112233***repl closed***

python-when defining a function, the default value parameter cannot be placed before the required parameter in the variable length parameter