简单购物车Demo
# version: python3.2.5
# author: ‘FTL1012‘
# time: 2017/12/7 09:16 product_list = (
['Java', 300],
['Oracle', 400],
['Mysql', 200],
['Python', 600],
['Shell', 150]
) money = input("充值金额为: ")
shop_list = []
summary = 0
if money.isdigit():
money = int(money)
while True:
print("---------欢迎来到HHH品牌旗舰店-----------")
for k, v in enumerate(product_list):
print(k, v)
choice = input("请选择[q:结束]：")
if choice.isdigit():
choice = int(choice)
if 0 <= choice < len(product_list):
item = product_list[choice]
print("你选择了%d号" % choice, '你选择的商品是%s' % item)
shop_list.append(item)
print("#####################################################################")
print("你的购物车有\n%s" % shop_list, '\n共计%d' % len(shop_list), "件商品")
else:
print("选择错误，退出程序!！")
break
elif choice == 'q':
for k, v in shop_list:
summary += v
print("欢迎您的光临，你一共需要支付金额：%d " % summary, "您的会员卡充值金额为%s" %money)
# print("您的余额为%s " % str(money - summary))
if summary > money:
print("您的余额不足，请充值！！！")
break
else:
print("---------您购买的商品如下-----------")
print(shop_list)
print("欢迎您的光临，你一共需要支付：")
print("金额：%d " % summary, "您的余额为%s "% str(money - summary), "感谢您的光临，欢迎下次光临^..^")
break
else:
print("exit")
else:
print("零钱必须是整数!!!")
exit(0)