class Car:
    def __init__(self, make, model, year):
        self.make = make
        self.model = model
        self.year = year

    def __display_info(self):
        # 私有方法，用于显示汽车信息
        print(f"Car Make: {self.make}, Model: {self.model}, Year: {self.year}")

    def drive(self):
        # 在类内部调用私有方法
        self._Car__display_info()  # 使用类名加方法名的方式调用私有方法
        print(f"The {self.make} {self.model} is now driving.")

# 创建对象
car1 = Car("Toyota", "Corolla", 2020)
car2 = Car("Honda", "Civic", 2021)

# 调用方法
car1.drive()
car2.drive()