str = [
["1", "农夫山泉", 2, 12],
["2", "百事可乐", 3, 12],
["3", "可口可乐", 3, 12],
["4", "阿萨姆", 4, 6],
["5", "脉动", 4, 12]
]
q = 4
money = int(input("请输入您的金额："))
while True:
if q == 0:
break
while q == 2 or money == 0:
print("欢迎进入管理员系统！！！")
for i in str:
print("商品编号：%s,商品名称：%s，商品个数：%d" % (i[0], i[1], i[3]))
sum = input("请输入商品编码：")
if sum == "0":
q = 0
break
while sum not in (i[0] for i in str):
sum = input("请输入商品编号：")
sum1 = int(input("添加："))
while sum1 < 0:
sum1 = int(input("添加："))
for i in str:
if sum == i[0]:
i[3] += sum1
break
while q == 0:
i = input("0.退出 1.测试")
if i == "0":
break
else:
q = 1
money = 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999
break
while True:
if q == 0:
print("欢迎下次再来！！！")
break
else:
print("————————————商品信息——————————————")
for i in str:
print("商品编号：%s,商品名称：%s，商品单价：%d，商品个数：%d" % (i[0], i[1], i[2], i[3]))
print(" 账户余额：%d元" % money)
buy = input("请输入想要购买的商品编号：")
if buy == "00":
q = 2
break
if buy == "0":
print("欢迎下次再来！！！")
break
while buy not in (i[0] for i in str):
buy = input("请输入想要购买的商品编号：")
sum4 = int(input("您想购买几瓶："))
for i in str:
if i[0] == buy:
if i[3] >= sum4:
if money - sum4 * i[2] >= 0:
money -= sum4 * i[2]
i[3] -= sum4
print("购买成功！！！")
print(40 * "*")
break
else:
print("抱歉，您的金额不足！！！")
break
else:
print("抱歉，您要购买的商品没有库存了！！！")
break
