今天看了一下函数的参数定义

看到了比较奇葩的

class Demo(object):
    def __init__(self):
        pass

    def test(arg1,*arg2,**arg3):
        print("-- Do you have any", arg1, "?")
        print("-- I'm sorry, we're all out of", arg1)
        for item in arg2:
            print(item)
        print("-" * 40)
        for kw in arg3:
            print(kw, ":", arg3[kw])



d = Demo()
d.test("1234",["12","123"],["12","123"],["12","123"],ss=123,xx=123)

写了个demo记录一下，我想起来昨天学的装饰器，好像就有这种参数，我还以为是指针，原来 一个 * 代表数组，俩个 * 代表字典