Day2 - Python基础2习题集

1、购物车程序

 product_list = [
      ('Iphone',),
      ('Mac Pro',),
      ('Bike',),
      ('Watch',),
      ('Coffee',),
      ('python',),
 ]
 shooping_list = []
 salary = input("Input your salary:")
 if salary.isdigit():
     salary = int(salary)
     while True:
         #for item in product_list:
            # print(product_list.index(item),item)
         for index,item in enumerate(product_list): #下标，数据,enumerate取列表的下标
             print(index,item)
         user_choice = input("选择要买的商品：")
         if user_choice.isdigit():
             user_choice = int(user_choice)
             if user_choice < len(product_list) and user_choice >= :
                 p_item = product_list[user_choice]
                 if p_item[] <= salary: #买得起
                     shooping_list.append(p_item)
                     salary -= p_item[]
                     print("Added %s into shopping cart,your current balance is \033[31;1m%s\033[0m"%(p_item,salary))
                 else:
                     print("\033[41;1m你的余额只剩[%s]啦，不能买了\033[0m"% salary)
             else:
                 print("product code [%s] is not exist!"% user_choice)
         elif user_choice == 'q':
             print("-----------shopping list-----------")
             for p in shooping_list:
                 print(p)
             print("Your current balance:",salary)
             exit()