Day2 - Python基础2习题集

1、购物车程序

product_list = [
     ('Iphone',5800),
     ('Mac Pro',9800),
     ('Bike',800),
     ('Watch',10600),
     ('Coffee',30),
     ('python',120),
]
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 >= 0:
                p_item = product_list[user_choice]
                if p_item[1] <= salary: #买得起
                    shooping_list.append(p_item)
                    salary -= p_item[1]
                    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()