购物车管理系统
shop_car={}
while True:print("欢迎使用购物车管理系统")menu="""购物车管理系统1.添加购物车2.修改购物车3.删除购物车4.查询购物车5.退出购物车"""print(menu)choice=input("请选择要执行的操作(1-5)")match choice:case '1':good_name=input("请输入商品名称:")if good_name in shop_car:print("商品已存在,请重新选择")else:good_price = input("请输入商品价格:")good_count = int(input("请输入商品数量:"))shop_car[good_name]={"good_price":good_price,"good_count":good_count}print("商品添加完毕")case '2':good_name = input("请输入修改的商品名称:")if good_name not in shop_car:print("商品不存在,请重新选择")else:good_price = input("请输入修改的商品价格:")good_count = int(input("请输入修改的商品数量:"))shop_car[good_name]={"good_price":good_price,"good_count":good_count}case '3':good_name=input("请输入要删除的购物车名称:")if good_name not in shop_car:print("商品不存在,请重新选择")else:del shop_car[good_name]case '4':for good_name in shop_car:good_info=shop_car[good_name]print(f"商品名称{good_name},商品价值{good_info['good_price']},商品数量{good_info['good_count']}")case '5':breakcase _:print("非法操作不支持!!!")
