Python實踐：購物車

購物車程序

• 要求如下圖

• 代碼

# --*--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('輸入你的工資:')
salary = input()
if not salary.isdigit():
 print('請輸入整數')
else:
 salary = int(salary)
 while True:
 for index, item in enumerate(productList):
 print(index + 1, item)
 print('輸入你要買的商品的序號：')
 userWant = input()
 if userWant.isdigit():
 userWant = int(userWant)
 if userWant <= len(productList) and userWant > 0:
 print('你要購買的是：', productList[userWant - 1][0])
 if salary >= productList[userWant - 1][1]:
 shoppingList.append(productList[userWant - 1][0])
 salary -= productList[userWant - 1][1]
 print('你已經購買了' + productList[userWant - 1][0] + ', 你的餘額為 ' + str(salary))
 else:
 print('對不起，你的餘額不足！請努力工作吧！')
 print('你當前所購買的商品為：')
 for brought in shoppingList:
 pprint.pprint(brought)
 print('你當前餘額為：', salary)
 exit()
 else:
 print('你輸入的商品序號有錯，請重新輸入')
 elif userWant == 'q':
 print('-----------Shopping List----------')
 for brought in shoppingList:
 pprint.pprint(brought)
 print('你的餘額為 ', salary)
 exit()
 else:
 print('Invalid input！！！')

• 結果