# your code goes here
 
class BikeManagementSystem:
    def __init__(self):
        self.bikes = {}  # 单车数据 {编号: [状态, 位置, 故障描述]}
        self.next_id = 1
 
    def add_bike(self, location="未知位置"):
        """添加新单车"""
        bike_id = self.next_id
        self.bikes[bike_id] = ["可用", location, "无故障"]
        self.next_id += 1
        print(f"✅ 成功添加单车 #{bike_id} 在 {location}")
 
    def report_fault(self, bike_id, fault_description):
        """报告单车故障"""
        if bike_id in self.bikes:
            self.bikes[bike_id][0] = "故障"
            self.bikes[bike_id][2] = fault_description
            print(f"⚠️  单车 #{bike_id} 已标记为故障: {fault_description}")
        else:
            print(f"❌ 单车 #{bike_id} 不存在")
 
    def repair_bike(self, bike_id):
        """修复单车"""
        if bike_id in self.bikes and self.bikes[bike_id][0] == "故障":
            self.bikes[bike_id][0] = "可用"
            self.bikes[bike_id][2] = "无故障"
            print(f"🔧 单车 #{bike_id} 已修复完成")
        else:
            print(f"❌ 单车 #{bike_id} 无需修复或不存在")
 
    def show_bikes(self):
        """显示所有单车状态"""
        if not self.bikes:
            print("暂无单车数据")
            return
 
        print("\n🚲 单车状态列表:")
        print("-" * 50)
        for bike_id, (status, location, fault) in self.bikes.items():
            status_icon = "✅" if status == "可用" else "❌"
            print(f"{status_icon} 单车 #{bike_id} | 状态: {status} | 位置: {location}")
            if fault != "无故障":
                print(f"   故障描述: {fault}")
 
    def show_stats(self):
        """显示统计信息"""
        total = len(self.bikes)
        available = sum(1 for bike in self.bikes.values() if bike[0] == "可用")
        faulty = total - available
 
        print(f"\n📊 统计信息:")
        print(f"总单车数: {total}")
        print(f"可用单车: {available}")
        print(f"故障单车: {faulty}")
        if total > 0:
            print(f"可用率: {(available/total)*100:.1f}%")
 
def main():
    system = BikeManagementSystem()
 
    # 初始化一些示例数据
    system.add_bike("地铁站A出口")
    system.add_bike("商业街B区")
    system.add_bike("公园南门")
 
    while True:
        print("\n===== 共享单车运维管理系统 =====")
        print("1. 查看所有单车")
        print("2. 添加新单车")
        print("3. 报告故障")
        print("4. 修复单车")
        print("5. 查看统计")
        print("6. 退出系统")
 
        choice = input("请选择操作 (1-6): ").strip()
 
        if choice == "1":
            system.show_bikes()
        elif choice == "2":
            location = input("请输入单车位置: ").strip()
            system.add_bike(location)
        elif choice == "3":
            try:
                bike_id = int(input("请输入故障单车编号: "))
                fault = input("请输入故障描述: ")
                system.report_fault(bike_id, fault)
            except ValueError:
                print("❌ 请输入有效的单车编号")
        elif choice == "4":
            try:
                bike_id = int(input("请输入要修复的单车编号: "))
                system.repair_bike(bike_id)
            except ValueError:
                print("❌ 请输入有效的单车编号")
        elif choice == "5":
            system.show_stats()
        elif choice == "6":
            print("感谢使用共享单车运维管理系统！")
            break
        else:
            print("❌ 无效选择，请重新输入")
 
if __name__ == "__main__":
    main

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