1.Shopping cart

1 # bug分开添加同一种商品到购物车的时候  会以两种商品打印 2 # 未对用户输入的字符串进行判断 3 goods_name = [ 4     {
   "Name": "MI 8", "Price": 3699}, 5     {
   "Name": "MI 6", "Price": 2699}, 6     {
   "Name": "MI mini", "Price": 169}, 7     {
   "Name": "MI watch", "Price": 179}, 8 ] 9 print("Welcome to Rainm's shopping center!!\nWhat do you want to do：")10 choice = input("1. Enter the shop\n2. I am just looking")11 shopping_car = []12 flag = True13 total = 014 if choice == '2':15     print("See you next time")16 else:17     print("Nice to meet you, here are good: ")18     while flag:19         for i, k in enumerate(goods_name):         #枚举？？20             print("No.{}    {}         {}".format(i + 1, k["Name"], k["Price"]))21         goods_choice = int(input("Which goods you want to add it to your shopping car(Press -1 to exit): "))22         if goods_choice == -1:23             print("What do you want to do:")24             next_choice = input("1. check shopping car\n2. I want to see the next store")25             if next_choice == '1':26                 print("Here are your shopping car: ")27                 for k in shopping_car:28                     print("Name: {}   Price: {}      Count:{}".format(k["Name"], k["Price"], k["Count"]))29                     total += int(k["Price"] * goods_num)30                 print("Total：{}$".format(total))31             else:32                 print("See you next time.")33                 break34             flag = False35             print("What do you want to do: ")36             next_choice1 = input("1. Balance my shopping car.\n2. Continue to shopping.\n3. Exit the store.")37             if next_choice1 == '1':38                 shopping_car.clear()39                 print("Balance successfully！！It totally costs {}$\nHaving a nice day!".format(total))40             elif next_choice1 == '2':41                 flag = True42 43         else:44             goods_num = int(input("And how much do you want to buy: "))45             shopping_car.append({
   "Name": goods_name[goods_choice - 1]["Name"], "Price": goods_name[goods_choice - 1]["Price"], "Count": goods_num})