函数子函数实例

class Dog():
    def __init__(self,name,age):
        self.name=name
        self.age=age
    def sit(self):
        print(self.name.title()+‘ 现在坐下了‘)
    def roll_over(self):
        print(self.name.title()+‘ 现在打滚呢‘)
        
myDog=Dog(‘kitty‘,2)
print(‘我的狗名字是：‘+myDog.name)
print(‘我的狗年纪是：‘+str(myDog.age)+‘岁‘)
myDog.sit()
myDog.roll_over()

youDog=Dog(‘haliy‘,10)
print(youDog.name)
print(str(youDog.age))
youDog.sit()
youDog.roll_over()