Python 面向对象练习2

class Car:
        def __init__(self,name,brand,max_people):
            self.name=name
            self.brand=brand
            self.number_of_people=0
            self.max_people=max_people
            def show(self):
                print(f'这是{self.brand}品牌的{self.name}汽车,限额{self.max_people}人,现在车上有{self.number_of_people}')

        def run(self):
            print(f'汽车{self.name}跑起来了')

        def set_people(self,number_of_people):
            if 0<=number_of_people<=self.max_people:
                self.number_of_people=number_of_people
            else:
                print(f'这是{self.brand}品牌的{self.name}汽车,限额{self.max_people}人,您想加入{number_of_people}人，超过限额人数!!')

        def increase_people(self):
            if self.number_of_people<self.max_people:
                self.number_of_people+=1
            else:
                print("已经满员了")

        def reduce_people(self):
            if self.number_of_people>0:
                self.number_of_people-=1
            else:
                print("不能再减了")

    byd=Car('仰望U8','BYD',8)
    byd.set_people(7)
    byd.reduce_people()
    # byd.reduce_people()
    # byd.reduce_people()
    # byd.reduce_people()
    # byd.reduce_people()
    # byd.reduce_people()
    # byd.reduce_people()
    # byd.reduce_people()
    bwm=Car('X5','BWM',5)
    bwm.increase_people()
    # bwm.increase_people()
    # bwm.increase_people()
    # bwm.increase_people()
    # bwm.increase_people()
    # bwm.increase_people()
    bwm.set_people(8)
    byd.show()
    bwm.show()
    byd.run()
    bwm.run()