Python小练习008

Posted 2020-10-29 sujianyun

简易购物程序的实现。（最初版）

 1 #简易购物程序
 2 
 3 money = 20000
 4 goods_list = [‘IPhone 8‘, ‘Bicycle‘, ‘Banana‘, ‘Xiaomi Note‘, ‘MacBook‘, ‘矿泉水‘]
 5 goods_price = [9000, 800, 20, 3200, 12000, 5]
 6 print("欢迎来到智能购物中心！您卡上余额共有%d元。"% money)
 7 print()
 8 print(‘商品信息：‘)
 9 count = 0
10 while count < len(goods_list):
11     print(‘商品编号:%d‘ % count + "   " + goods_list[count] + ‘----‘ +  str(goods_price[count]) + ‘元‘,end="\\n")
12     count += 1
13 print()
14 flag = True
15 buy_lists = []
16 buy_price = []
17 while flag:
18     print()
19     num = int(input("请输入要购买商品的编号："))
20     print()
21     if num < len(goods_list):
22         if num == 0 and money >= goods_price[num]:
23             money -= int(goods_price[num])
24             print("您购买了%s" % goods_list[num], ‘剩余%d元‘ % money)
25             buy_lists.append(goods_list[num])
26             buy_price.append(goods_price[num])
27         elif num == 1 and money >= goods_price[num]:
28             money -= int(goods_price[num])
29             print("您购买了%s" % goods_list[num], ‘剩余%d元‘ % money)
30             buy_lists.append(goods_list[num])
31             buy_price.append(goods_price[num])
32         elif num == 2 and money >= goods_price[num]:
33             money -= int(goods_price[num])
34             print("您购买了%s" % goods_list[num], ‘剩余%d元‘ % money)
35             buy_lists.append(goods_list[num])
36             buy_price.append(goods_price[num])
37         elif num == 3 and money >= goods_price[num]:
38             money -= int(goods_price[num])
39             print("您购买了%s" % goods_list[num], ‘剩余%d元‘ % money)
40             buy_lists.append(goods_list[num])
41             buy_price.append(goods_price[num])
42         elif num == 4 and money >= goods_price[num]:
43             money -= int(goods_price[num])
44             print("您购买了%s" % goods_list[num], ‘剩余%d元‘ % money)
45             buy_lists.append(goods_list[num])
46             buy_price.append(goods_price[num])
47         elif num == 5 and money >= goods_price[num]:
48             money -= int(goods_price[num])
49             print("您购买了%s" % goods_list[num], ‘剩余%d元‘ % money)
50             buy_lists.append(goods_list[num])
51             buy_price.append(goods_price[num])
52         else:
53             print("余额不足！")
54             flag = False
55     else:
56         print("请输入正确的商品编号！")
57 print()
58 for m in range(len(buy_lists)):
59     buy_lists[m] +=  ‘--‘ + str(buy_price[m]) + ‘元‘
60 print("您共购买了%d件商品：%s" % (len(buy_lists),‘ , ‘.join(buy_lists)) + ‘\\n‘ + ‘您卡上剩余%d元‘ %(money) + ‘\\n‘ + ‘欢迎下次光临！‘)

运行结果：