python知识点

def prints_params(*params):
    print params

# prints_params('Test!')
# prints_params(1,2,3,4,5,6,7)

def prints_params2(title,*params):
    print title
    print params

# prints_params2("Params:  ",1,2,3,4,5,6,7)
# prints_params2("title")

# 关键字初始化不能
# prints_params2("title",something = 42)


def prints_params_3(**params):
    print params

# 参数失败
# prints_params_3(1,2,3,4,5,6,7)

# 关键字初始化
prints_params_3(x=1,y=2,c=3)

def prints_params_4(x,y,z=3,*pospar,**keypar):
    print x,y,z
    print pospar
    print keypar

prints_params_4(1, 2, 3,4,5,6,some=12)