python开发之旅——面向对象【人狗大战】

class Dog:
    role = 'Dog'
    def __init__(self,name,breed,attack_val):
        self.name = name
        self.breed = breed
        self.attack_val = attack_val
        self.life_val = 100
    def bite(self,person):
        person.life_val -= self.attack_val
        print('狗%s咬人%s 人掉了%s血，还剩%s血'%(self.name,person.name,self.attack_val,person.life_val))
class Person:
    role = 'Person'
    def __init__(self,name,sex,attack_val):
        self.name = name
        self.sex = sex
        self.life_val = 100
        self.attack_val = attack_val
    def attack(self,dog):
        dog.life_val -= self.attack_val
        print('人%s打打狗%s 狗掉了%s血，还剩%s血'%(self.name,dog.name,self.attack_val,dog.life_val))
d1 = Dog('叶薇琦','二哈',30)
p1 = Person('苏灿吉','男',50)
d1.bite(p1)
p1.attack(d1)