class Cup:

    #构造函数，初始化属性值

    def __init__(self,capacity,color):

        self.capacity=capacity

        self.color=color

    def retain_water(self):

        print("杯子颜色："+self.color+"，杯子容量："+self.capacity+",正在装水.")

    def keep_warm(self):

        print("杯子颜色："+self.color+"，杯子容量："+self.capacity+",正在保温.")

class Luminous_Cup(Cup):

    #构造函数，调用父类的构造函数初始化属性值

    def __init__(self,capacity,color):

        super().__init__(capacity,color)

    def glow(self):

        print("我正在发光...")

currentCup=Luminous_Cup('300ml','翠绿色')

currentCup.retain_water()

currentCup.glow()

class Cup:

    #构造函数，初始化属性值

    def __init__(self,capacity,color):

        self.capacity=capacity

        self.color=color

    def retain_water(self):

        print("杯子颜色："+self.color+"，杯子容量："+self.capacity+",正在装水.")

    def keep_warm(self):

        print("杯子颜色："+self.color+"，杯子容量："+self.capacity+",正在保温.")

class Luminous_Cup(Cup):

    #构造函数，调用父类的构造函数初始化属性值

    def __init__(self,capacity,color):

        super().__init__(capacity,color)

    #方法重写

    def retain_water(self):

        print("杯子颜色："+self.color+"，杯子容量："+self.capacity+",正在装水,正在发光...")

    def glow(self):

        print("我正在发光...")

currentCup=Luminous_Cup('300ml','翠绿色')

#调用子类中的retain_water()方法

currentCup.retain_water()

#调用父类中的retain_water()方法

super(Luminous_Cup,currentCup).retain_water()