类(class)的形成过程

def Person(name,hp,ad,sex):  #一般模子名是首字母
    dic = {‘name‘:name,‘blood‘:hp,‘attack‘:ad,‘sex‘:sex}
    def fight(Dog): #这是人打其他事物的方法，当然传入的也会是一个对象
        Dog[‘blood‘] -= dic[‘attack‘]  #传入的对象调用它方法内的字典获取值 跟原本人的字典dic的值进行运算
        print(‘%s打了%s，%s掉了%s血‘ % (dic[‘name‘], dog[‘name‘], dog[‘name‘], dic[‘attack‘]))
        print(Dog[‘blood‘])
    dic[‘fight‘] = fight
    return dic

def Dog(name,hp,ad,sex):
    dic = {‘name‘:name,‘blood‘:hp,‘attack‘:ad,‘sex‘:sex}
    def fight (person):
        person[‘blood‘] -= dic[‘attack‘]
        print(‘%s咬了%s，%s掉了%s血‘ % (dic[‘name‘], person[‘name‘], person[‘name‘], dic[‘attack‘]))
    dic[‘fight‘] = fight
    return dic
alex = Person(‘alex‘,200,20,‘不详‘)
print(alex)
dog = Dog(‘dog‘,100,10,‘哈士奇‘)
print(dog)
alex[‘fight‘](dog) #第一次调用改变了 dog的血量
alex[‘fight‘](dog) #第二次调用在第一次的基础上改变了dog的血量
alex[‘fight‘](dog) #这是因为每次这样调用最终都会return给原字典，代码是从上往下执行的，而代码的销毁是在执行完整个程序才销毁
dog[‘fight‘](alex) #所有，你再次执行的时候还是80->60->40.而你在添加一行代码的时候它再次从100开始到你添加的那个部分

class Person:
    def __init__(self,name,blood,attack,sex):#这参数的第一个值就算是字典啦，当然也可以改名字，但是一般般不要，约定俗成
        self.name = name                     #后面的参数算是字典中值
        self.blood = blood
        self.attack = attack
        self.sex = sex
    def fight(self,dog):
        dog.blood -= self.attack
        print(‘{}打了{}一拳，{}掉了{}，剩余血量{}‘.format(self.name,dog.name,dog.name,self.attack,dog.blood))

class Dog:
    def __init__(self,name,blood,attack,kind):
        self.name = name
        self.blood = blood
        self.attack = attack
        self.type = kind
    def fight(self,person):
        person.blood -= self.attack
        print(‘{}咬了{}一口，{}掉了{}，剩余血量{}‘.format(self.name, person.name, person.name, self.attack, person.blood))

alex = Person(‘alex‘,200,20,‘男‘)
alexbb = Dog(‘alexbb‘,100,40,‘哈士奇‘)
alex.fight(alexbb)
alexbb.fight(alex)