python中，在形参前面加上“*”与“”“**”，称为动态参数
加“*”时，函数可接受任意多个参数，全部放入一个元祖中
def F(*args): print(args) F(123,"456") # (123, ‘456‘)
加“**”时，函数接受参数时，返回为字典，需要写为如下形式：
def F(**kwargs): print(kwargs) F(k1=123,k2="456") # {‘k1‘: 123, ‘k2‘: ‘456‘}
def F(p,*args,**kwargs): print(p) print(args) print(kwargs) F(11,"abc",[789],k1=123,k2="456") # 11 # (‘abc‘, [789]) # {‘k1‘: 123, ‘k2‘: ‘456‘}
def F(*args): print(args) li = [11,22,33,44] F(li) F(*li) # ([11, 22, 33, 44],) # (11, 22, 33, 44)
def F(**kwargs): print(kwargs) li = {"k1":1,"k2":2} F(k=li) F(**li) # {‘k‘: {‘k2‘: 2, ‘k1‘: 1}} # {‘k2‘: 2, ‘k1‘: 1}
原文：https://www.cnblogs.com/omg-hxy/p/9081177.html