26 lines
1.1 KiB
Python
26 lines
1.1 KiB
Python
# 写一个循环，不断的问用户想买什么，用户选择一个商品编号，就把对应的商品添加到购物车里，
|
||
# 最终用户输入q退出时，打印购物车里的商品列表
|
||
|
||
products = [['iphone',6888],['三星',3000],['小米',2500]]
|
||
shopping_car = []
|
||
flag = True
|
||
while flag:
|
||
print("******商品列表******")
|
||
for index,i in enumerate(products):
|
||
print("%s. %s| %s" %(index,i[0],i[1]))
|
||
choice = input("请输入您想购买的商品的编号：")
|
||
if choice.isdigit():#isdigit()判断变量是什么类型
|
||
choice = int(choice)
|
||
if choice>=0 and choice<len(products):
|
||
shopping_car.append(products[choice])
|
||
print("已经将%s加入购物车" %(products[choice]))
|
||
else:
|
||
print("该商品不存在")
|
||
elif choice == "q":
|
||
if len(shopping_car)>0:
|
||
print("您打算购买以下商品：")
|
||
for index,i in enumerate(shopping_car):
|
||
print("%s. %s| %s" %(index,i[0],i[1]))
|
||
else:
|
||
print("您的购物车中没有添加商品")
|
||
flag = False |