Python实践：购物车

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购物车程序

• 要求如下图
  
• 代码

# --*--coding:utf-8--*--
# Author: 村雨

import pprint

productList = [('Iphone 8', 10000),
('GTX2080', 8000),
('Z7KP7-GT', 6000),
('Mac pro', 15000),
('Honor 10', 2800),
('Iphone XR', 12000),
('Mi 8', 2999)
]

shoppingList = []

print('输入你的工资:')
salary = input()
if not salary.isdigit():
print('请输入整数')
else:
salary = int(salary)
while True:
for index, item in enumerate(productList):
print(index + 1, item)
print('输入你要买的商品的序号：')
userWant = input()
if userWant.isdigit():
userWant = int(userWant)
if userWant <= len(productList) and userWant > 0:
print('你要购买的是：', productList[userWant - 1][0])
if salary >= productList[userWant - 1][1]:
shoppingList.append(productList[userWant - 1][0])
salary -= productList[userWant - 1][1]
print('你已经购买了' + productList[userWant - 1][0] + ', 你的余额为 ' + str(salary))
else:
print('对不起，你的余额不足！请努力工作吧！')
print('你当前所购买的商品为：')
for brought in shoppingList:
pprint.pprint(brought)
print('你当前余额为：', salary)
exit()
else:
print('你输入的商品序号有错，请重新输入')
elif userWant == 'q':
print('-----------Shopping List----------')
for brought in shoppingList:
pprint.pprint(brought)
print('你的余额为 ', salary)
exit()
else:
print('Invalid input！！！')

[/code]

• 结果
  
  
  

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