python代码训练1（购物车）

products = [['iphone', 6888], ['MacPro', 14800], ['小米6', 2499], ['Coffee', 31], ['Book', 60], ['Nike', 600]]
print('-'*6+'商品列表'+'-'*6)
i = 0
for product in products:
    print(i, end='t')
    for detail in product:
        print(detail, end='t')
    print('n')
    i += 1
shopping_list = []
while True:
    respond = input('请选择您要购买的商品号码：（如需退出请输入‘q’）')
    if respond == 'q':
        break
    shopping_list.append(products[int(respond)])

print('-'*30)
print('您的商品清单是：')
n = 1
for goods in shopping_list:
    print(n, end='t')
    for detail in goods:
        print(detail, end='t')
    n += 1
    print('n')
cost = 0
for value in shopping_list:
    cost += int(value[1])
print('总计：%d'%cost)

运行结果：

没有添加中断代码，可自行补充。