python 抽象类

from abc import ABCMeta, abstractmethod


class Payment(metaclass=ABCMeta):
    @abstractmethod
    def pay(self, money):
        pass


class Wechatpay(Payment):
    def fuqian(self, money):
        print('微信支付了%s元' % money)

    def pay(self, money):
        print('微信支付了%s元' % money)


p = Wechatpay()