
class kongtiao():

    @classmethod
    def zhire(cls):
        print("zhirexiaoguo")

    @classmethod
    def zhileng(cls):
        print("zhilengxiaoguo")


    @classmethod
    def chushi(cls):
        print("chushixiaoguo")

kongtiao.zhire()
kongtiao.zhileng()
kongtiao.chushi()