Python函数基础(day3)

112323121def 函数名(参数1,参数2,参数3,...)'''注释'''return234123'''定义阶段'''def tell_tag(tag,n)#有参数def tell_msg()#无参数'hello world''''调用阶段''''*'12'*'12'''执行结果'''1122returnreturn11return'''什么时候该有返回值？''''''什么时候不需要有返回值？'''3123'hello'3'hello'12121231234def foo(x,y,*args)12345def foo(x,y,*args)12345def foo(x,y,z)123def foo(x,y,**kwargs)12123def foo(x,y,**kwargs)12'a':1'b':2'c':3def foo(x,y,z)'z':1'x':2'y':3def foo(x,y)def wrapper(*args,**kwargs)'====>'5def foo(x,y,*args,a=1,b,**kwargs)1234534523453'c'4'd'51PS:def auth(name,age,sex)def auth(name,age,sex='male')'male'def auth(name,age,sex)'female'2def auth(name,age,sex)'test'18'male''test''male'18def number(x,y,*args)123456123456def auth(name,age,sex='male',**kwargs)'test'18'male''shanxi'，如需转载请自行联系原作者