面向对象-小明爱跑步

class Person:
    def __init__(self,name,weight):
        self.name=name
        self.weight=weight

    def __str__(self):
        return "我的名字叫%s ,体重%s公斤"%(self.name,self.weight)

    def run(self):
        print("%s 爱跑步"%self.name)
        self.weight -= 0.5

    def eat(self):
        print("%s 爱吃零食"%self.name)
        self.weight += 1

xiaoming=Person("小明",75)
xiaoming.run()
xiaoming.eat()
print(xiaoming)

#创建一个小美的对象
xiaomei=Person("小美",45)
xiaomei.run()
xiaomei.eat()
print(xiaomei)