Python编程：abc模块实现抽象类

# -*- coding: utf-8 -*-

import abc


class Animal(abc.ABC):
    """动物类 抽象类"""

    @abc.abstractmethod
    def eat(self):
        """吃饭饭"""

    @abc.abstractmethod
    def sleep(self):
        """睡觉觉"""


class Dog(Animal):
    """狗狗类 实现类"""

    def sleep(self):
        print("狗狗睡觉啦")

    def eat(self):
        print("狗狗吃饭啦")


class Cat(Animal):
    """猫猫类 实现类"""

    def sleep(self):
        print("猫猫睡觉啦")

    def eat(self):
        print("猫猫吃饭啦")


if __name__ == '__main__':
    dog = Dog()
    dog.sleep()  # 狗狗睡觉啦

    cat = Cat()
    cat.sleep()  # 猫猫睡觉啦