Python实现购物车程序

转载  更新时间:2018年04月16日 16:40:45   作者:Hongory   我要评论

这篇文章主要为大家详细介绍了Python实现购物车程序,具有一定的参考价值,感兴趣的小伙伴们可以参考一下

本文实例为大家分享了程序:Python购物车程序,具体内容如下

需求:

  • 启动程序后,让用户输入工资,然后打印商品列表
  • 允许用户根据商品编号购买商品
  • 用户选择商品后,检测余额是否够,够就直接扣款,不够就提醒
  • 可随时退出,退出时,打印已购买商品和余额
  • 如余额不足,可充值 

代码:

#coding=utf-8
#Version:python 3.6.0
#Tools:Pycharm 2017.3.2
_date_ = '2018/4/16/016 14:50'
_author_ = 'Hongyong'

salary = int(input("Please input your salary: "))
shoppingmart = []
items = (["1","Huawei","¥",2800],
     ["2","Earphone","¥",300],
     ["3","Book","¥",80])
msg_items = '''
----------items----------
1. Huawei   ¥ 2800
2. Earphone  ¥ 300
3. Book    ¥ 80
-------------------------
'''
print(msg_items)
while True:
  shopindex = int(input("Please choose goods: "))
  if salary > items[shopindex-1][3]:
    shoppingmart.append(items[shopindex-1])
    salary -= int(items[shopindex-1][3])
    print("You have bought {name} !".format(name = items[shopindex-1][1]))
    print("Your balance is: ¥",salary)
    decision = input("Do you want to quit now?")
    print(msg_items)
  else:
    print("Your balance is not enough! Please try sth else.")
    recharge_ans = input("Do you want to recharge?")
    if recharge_ans == "y":
      recharge = int(input("Please input money: "))
      print("Please wait for a while...")
      salary += recharge
      print("You have recharged successfully!")
      print("And the balance is: ",salary,"now!")
    decision = input("Do you want to quit now?")
    print(msg_items)
  if decision == "q":
    break
  else:
    continue
print("You have bought: ",shoppingmart)
print("Your balance is: ¥",salary)
print("Welcome your next coming!") 

程序效果:

Please input your salary: 0
 
----------items----------
1. Huawei   ¥ 2800
2. Earphone  ¥ 300
3. Book    ¥ 80
-------------------------
 
Please choose goods: 1
Your balance is not enough! Please try sth else.
Do you want to recharge?y
Please input money: 30000
Please wait for a while...
You have recharged successfully!
And the balance is: 30000 now!
Do you want to quit now?
 
----------items----------
1. Huawei   ¥ 2800
2. Earphone  ¥ 300
3. Book    ¥ 80
-------------------------
 
Please choose goods: 1
You have bought Huawei !
Your balance is: ¥ 27200
Do you want to quit now?
 
----------items----------
1. Huawei   ¥ 2800
2. Earphone  ¥ 300
3. Book    ¥ 80
-------------------------
 
Please choose goods: 2
You have bought Earphone !
Your balance is: ¥ 26900
Do you want to quit now?q
 
----------items----------
1. Huawei   ¥ 2800
2. Earphone  ¥ 300
3. Book    ¥ 80
-------------------------
 
You have bought: [['1', 'Huawei', '¥', 2800], ['2', 'Earphone', '¥', 300]]
Your balance is: ¥ 26900
Welcome your next coming!

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