派生

#!/usr/bin/env python 
# -*- coding: utf-8 -*-

class Hoer:
    def __init__(self,nickname,life_value,aggresivity):
        self.nickname = nickname
        self.life_value = life_value
        self.aggresivity = aggresivity


    def attack(self,enemy):
        enemy.life_value -= self.aggresivity


class Garen(Hoer):
    camp = 'Demacia'
    def attack(self,enemy):
        print('form Garen Class')

class Riven(Hoer):
    camp = 'Noxus'

g1 = Garen('草丛伦',100,30)
r1 = Riven('小雯雯',80,50)

g1.attack(r1)
# 打印结果：
form Garen Class