abc抽象模块

import abc

class Myabc(object):
    __metaclass__ = abc.ABCMeta

    @abc.abstractmethod  #抽象方法，必须由子类实现
    def fathermymethod(self):
        pass

class child(Myabc):

    def fathermymethod(self):
        print("=====")
        


if __name__ == '__main__':
    c = child()
    c.fathermymethod()