购物车优化版连接本地文件信息

#Author:huaiq
#Author:huaiq
shopping_dict ={}
Shopping_car =[]
while True:
    Money = input("请输入您所携带人民币金额:")
    if Money.isdigit():
        Money = int(Money)
        break
    else:
        print("你的输入不规范,请重新输入!")
while True:
    print("-----商品价目表及其编号-----")
    Commodity = open(r"D:\360Downloads\shopping.txt",‘r‘)
    for user_data in Commodity:
        user_list = user_data.strip()
        user_datas = user_list.split(‘,‘)
        Commodity_name = user_datas[0].strip()
        Commodity_price = int(user_datas[1].strip())
        shopping_dict[Commodity_name]= {‘Commodity_name‘: Commodity_name, ‘Commodity_price‘: Commodity_price}
    Commodity.close()
    for key in shopping_dict :
        print( ‘{0:10} : {1:10d}‘.format(key,shopping_dict[key][‘Commodity_price‘],chr(12288)))
    shopping_name = input("请选择您心仪的商品:").strip()
    if shopping_name in shopping_dict.keys():
            if shopping_dict[shopping_name][‘Commodity_price‘] <= Money:
                Money -= shopping_dict[shopping_name][‘Commodity_price‘]
                Shopping_car.append(shopping_name)
                print("你已经成功购买该产品！您的余额为\033[32;1m%s\033[0m!"%(Money))
            else:
                print("您的余额不足以支付该金额！您的余额为\033[31;1m%s\033[0m!"%(Money))
    elif shopping_name == ‘q‘:
        print("\033[33;1m您已经成功退出,欢迎下次光临\033[0m!!")
        print("-----已购清单-----")
        print(Shopping_car)
        print("您的余额为\033[31;1m%s\033[0m!" % (Money))
        exit()
    else:
        print("该商品不存在！请重新选择或退出")