class Person:def __init__(self, name, hp, aggr, sex):self.name = nameself.hp = hpself.aggr = aggrself.sex = sexdef hit(self, dog):dog.hp -= self.aggrprint('\033[31;1m%s被打，掉了%s的血.\033[0m' %(dog.name, self.aggr))class Dog:def __init__(self, name, hp, aggr, kind):self.name = nameself.hp = hpself.aggr = aggrself.kind = kinddef bite(self, person):person.hp -= self.aggrprint('\033[31;1m%s被咬，掉了%s的血.\033[0m' %(person.name, self.aggr))per = Person('kk', 100, 2, 'male')
dog = Dog('teddy', 200, 5, 'teddy')per.hit(dog)
dog.bite(per)

class Person:'''人类'''def __init__(self, name, hp, aggr, sex):self.name = nameself.hp = hpself.aggr = aggrself.sex = sexself.price = 0  # 设置人类初始金钱def hit(self, dog):dog.hp -= self.aggrprint('\033[31;1m%s被打，掉了%s的血.\033[0m' % (dog.name, self.aggr))def get_weapon(self, weapon):'穿戴武器'if self.price > weapon.price:  # 购买武器self.price -= weapon.priceself.weapon = weapon  # 带上武器class Dog:'''狗类'''def __init__(self, name, hp, aggr, kind):self.name = nameself.hp = hpself.aggr = aggrself.kind = kinddef bite(self, person):person.hp -= self.aggrprint('\033[31;1m%s被咬，掉了%s的血.\033[0m' % (person.name, self.aggr))class Weapon:def __init__(self, name, aggr, njd, price):self.name = nameself.aggr = aggrself.njd = njdself.price = pricedef dazhao(self, dog):if self.njd > 0:dog.hp -= self.aggr * 2print('\033[33;1m【%s】使用武器【%s】，发大招伤害【%s】\033[0m' % (dog.name, self.name, self.aggr * 2))per = Person('kk', 100, 2, 'male')
dog = Dog('teddy', 200, 5, 'teddy')per.hit(dog)
dog.bite(per)
hit_dog = Weapon('dbg', 20, 3, 998)  # 实例化一个武器对象-打狗棒
per.price += 998  # 冲钱才能变强
per.get_weapon(hit_dog)  # 人物装备上武器
per.weapon.dazhao()  # 人物使用武器发大招

#!/usr/bin/python3
# -*- coding: utf-8 -*-
# Author: hkeyclass Teacher:def __init__(self, name, age, brith):self.name = nameself.age = ageself.brith = brithclass Brith:def __init__(self, year, month, day):self.year = yearself.month = monthself.day = daybrith = Brith(1998, 10, 23)hkey = Teacher('hkey', 20, brith)print(hkey.brith.year)
print(hkey.brith.month)

练习：组合