image.png
# -*- coding:utf-8 -*-
#@Time : 2020/4/10 10:14
#@Author: 。。。
#@File : shopping.py
product_list = [
('Iphone',5800),
('Mac Pro',9800),
('Bike',800),
('Watch',10600),
('Coffee',31),
('Alex Python',120)
]
shopping_list = []
salary = input("输入你的工资: ")
if salary.isdigit():
salary = int(salary)
while True:
for index,item in enumerate(product_list):
#print(product_list.index(item),item)
print(index,item)
user_choice = input("选择要买啥？>>>: ")
if user_choice.isdigit():
user_choice = int(user_choice)
if user_choice < len(product_list) and user_choice >= 0:
p_item = product_list[user_choice]
if p_item[1] <= salary: #买得起
shopping_list.append(p_item)
salary -= p_item[1]
print('Added %s into shpping cart,your current blance is %s.'%(p_item,salary))
else:
print("余额不足，请充值。。。")
else:
print("商品不存在。。。")
elif user_choice == 'q':
print('------------shopping list---------')
for p in shopping_list:
print(p)
print("Your current balance: ",salary)
exit()
else:
print("无此商品")
