# -*- encoding: utf-8 -*-


class Tools():

    @classmethod
    def banshou(cls):
        print("我是一个扳手")

    @classmethod
    def qianzi(cls):
        print("我是一个钳子")

    @classmethod
    def chuizi(cls, where):
        print("我是一个锤子, 我要%s钉钉子" % where)

