python_进阶_08

小明爱跑步

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

        # self.属性 = 形参
        self.name = name
        self.weight = weight

    def __str__(self):
        return "我的名字叫 %s 体重是 %.2f 公斤" %(self.name,self.weight)

    def run(self):
        print("%s 爱跑步，跑步锻炼身体" % self.name)
        self.weight -= 0.5
    def eat(self):
        print("%s 是吃货,吃完这顿再减肥" % self.name)
        self.weight += 1
xiaoming = Person("小明",75.0)

xiaoming.run()
xiaoming.eat()

print(xiaoming)

xiaomei = Person("小美",45)
xiaomei.eat()
xiaomei.run()
print(xiaomei)

输出为