# 1. 建立一个汽车类Auto，包括轮胎个数，汽车颜色，车身重量，速度等属性
# 并通过不同的构造方法创建实例。至少要求 汽车能够加速 减速 停车。
# 再定义一个小汽车类CarAuto 继承Auto 并添加空调、CD属性，并且重新实现方法覆盖加速、减速的方法


class Auto:
    def __init__(self, tyre, color, weight, speed):
        self.tyre = tyre
        self.color = color
        self.weight = weight
        self._speed = speed

    @property
    def speed(self):
        print('速度被访问！！！')
        return self._speed

    @speed.setter
    def speed(self, speed):
        print('速度被修改！！！')
        if not isinstance(speed, int):
            raise ValueError
        if not 0 <= speed < 200:
            raise ValueError
        self._speed = speed

    def add_speed(self, value):
        self.speed = value
        return '汽车速度加速到%s' % value

    def car_speed_cut(self, speed_cut):
        self.speed = speed_cut
        return '汽车速度减速到%s' % speed_cut

    def car_stop(self, speed=0):
        self.speed = speed
        return '汽车没油了！！！'


class CarAuto(Auto):
    def __init__(self, tyre, color, weight, speed, cd, air_conditioner):
        super().__init__(tyre, color, weight, speed)
        self.cd = cd
        self.air_conditioner = air_conditioner

    def music(self):
        return '汽车正在播放歌曲“%s”' % self.cd

    def air_conditioner1(self):
        return '汽车空调开到%s度' % self.air_conditioner

    def add_speed(self, value):
        self.speed = value + 30
        return '汽车速度加速到%s' % self.speed

    def car_speed_cut(self, speed_cut):
        self.speed = speed_cut - 180
        return '汽车速度减速到%s' % self.speed


# 2.创建一个Person类，添加一个类字段用来统计Perosn类的对象的个数
class Person:
    num = 0

    def __init__(self, name, age):
        Person.num += 1
        self.name = name
        self.age = age


# 3.创建一个动物类，拥有属性：性别、年龄、颜色、类型 ，
# 要求打印这个类的对象的时候以'/XXX的对象: 性别-? 年龄-? 颜色-? 类型-?/' 的形式来打印
class Animal:
    def __init__(self, gender, age, color, type):
        self.gender = gender
        self.age = age
        self.color = color
        self.type = type

    def __repr__(self):
        return '%s的对象：' % Animal.__name__ + str(self.__dict__)[:]


# 4.写一个圆类， 拥有属性半径、面积和周长；
# 要求获取面积和周长的时候的时候可以根据半径的值把对应的值取到。
# 但是给面积和周长赋值的时候，程序直接崩溃，并且提示改属性不能赋值
class WriteError(Exception):
    def __str__(self):
        return '属性只能读取!'


class Circle:
    def __init__(self, radius):
        self.radius = radius
        self._area = 0
        self._perimeter = 0

    @property
    def radius(self):
        return self.radius

    @radius.setter
    def radius(self, value):
        if not (isinstance(value, int) or isinstance(value, float)):
            raise ValueError

        if value < 0:
            raise ValueError

        self._radius = value

    @property
    def area(self):
        self._area = self._radius ** 2 * 3.14
        return self._area

    @area.setter
    def area(self, value):
        raise WriteError

    @property
    def perimeter(self):
        self._perimeter = self._radius * 2 * 3.14
        return self._perimeter

    @perimeter.setter
    def perimeter(self, value):
        raise WriteError


# 5.写一个扑克类， 要求拥有发牌和洗牌的功能(具体的属性和其他功能自己根据实际情况发挥)



















def main():
    # car1 = Auto(4, 'BLACK', '1000Kg', 80)
    # print(car1.speed)
    # print(car1.add_speed(100))
    # print(car1.car_speed_cut(60))
    # print(car1.car_stop())
    # car2 = CarAuto(4, 'red', '1200Kg', 300, '攀登', 23)
    # print(car2.speed)
    # print(car2.music())
    # print(car2.air_conditioner1())
    # print(car2.add_speed(150))
    # print(car2.car_speed_cut(300))
    # p1 = Person('小花', 18)
    # p2 = Person('小明', 20)
    # print(Person.num)
    lion = Animal('雄性', '10', 'yellow', 'lions')
    print(lion.__repr__())
    # r1 = Circle(5)
    # print(r1.area)
    # r1.radius = 2
    # print(r1.area)
    # r1.area = 100
    # r1.perimeter = 50


if __name__ == '__main__':
    main()