写一个车位管理界面代码

好的，以下是一个简单的车位管理界面的代码：

class ParkingLotUI:
    def __init__(self, parking_lot):
        self.parking_lot = parking_lot

    def display_menu(self):
        print("Welcome to the Parking Lot Management System!")
        print("1. Park a vehicle")
        print("2. Unpark a vehicle")
        print("3. View available spaces")
        print("4. View occupied spaces")
        print("5. View revenue")
        print("6. Exit")

    def run(self):
        while True:
            self.display_menu()

            choice = input("Please enter your choice: ")

            if choice == "1":
                result = self.parking_lot.park_vehicle()
                print(result)
            elif choice == "2":
                hours = int(input("Please enter the number of hours parked: "))
                result = self.parking_lot.unpark_vehicle(hours)
                print(result)
            elif choice == "3":
                available_spaces = self.parking_lot.get_available_spaces()
                print("Available spaces: {}".format(available_spaces))
            elif choice == "4":
                occupied_spaces = self.parking_lot.get_occupied_spaces()
                print("Occupied spaces: {}".format(occupied_spaces))
            elif choice == "5":
                revenue = self.parking_lot.get_revenue()
                print("Total revenue: ${:.2f}".format(revenue))
            elif choice == "6":
                print("Thank you for using the Parking Lot Management System!")
                break
            else:
                print("Invalid choice. Please try again.\n")

这个类实现了一个简单的控制台界面，允许用户使用停车场收费系统的各种功能。在每个选项下，它会调用停车场类的相应方法，并显示结果。当用户选择退出选项时，程序将停止。

你可以根据需要对这个界面进行修改和扩展，例如添加输入验证和错误处理等功能。