Python实现购物车程序
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:python3.6.0
#Tools:Pycharm2017.3.2
_date_='2018/4/16/01614:50'
_author_='Hongyong'
salary=int(input("Pleaseinputyoursalary:"))
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)
whileTrue:
shopindex=int(input("Pleasechoosegoods:"))
ifsalary>items[shopindex-1][3]:
shoppingmart.append(items[shopindex-1])
salary-=int(items[shopindex-1][3])
print("Youhavebought{name}!".format(name=items[shopindex-1][1]))
print("Yourbalanceis:￥",salary)
decision=input("Doyouwanttoquitnow?")
print(msg_items)
else:
print("Yourbalanceisnotenough!Pleasetrysthelse.")
recharge_ans=input("Doyouwanttorecharge?")
ifrecharge_ans=="y":
recharge=int(input("Pleaseinputmoney:"))
print("Pleasewaitforawhile...")
salary+=recharge
print("Youhaverechargedsuccessfully!")
print("Andthebalanceis:",salary,"now!")
decision=input("Doyouwanttoquitnow?")
print(msg_items)
ifdecision=="q":
break
else:
continue
print("Youhavebought:",shoppingmart)
print("Yourbalanceis:￥",salary)
print("Welcomeyournextcoming!")
程序效果：
Pleaseinputyoursalary:0 ----------items---------- 1.Huawei￥2800 2.Earphone￥300 3.Book￥80 ------------------------- Pleasechoosegoods:1 Yourbalanceisnotenough!Pleasetrysthelse. Doyouwanttorecharge?y Pleaseinputmoney:30000 Pleasewaitforawhile... Youhaverechargedsuccessfully! Andthebalanceis:30000now! Doyouwanttoquitnow? ----------items---------- 1.Huawei￥2800 2.Earphone￥300 3.Book￥80 ------------------------- Pleasechoosegoods:1 YouhaveboughtHuawei! Yourbalanceis:￥27200 Doyouwanttoquitnow? ----------items---------- 1.Huawei￥2800 2.Earphone￥300 3.Book￥80 ------------------------- Pleasechoosegoods:2 YouhaveboughtEarphone! Yourbalanceis:￥26900 Doyouwanttoquitnow?q ----------items---------- 1.Huawei￥2800 2.Earphone￥300 3.Book￥80 ------------------------- Youhavebought:[['1','Huawei','￥',2800],['2','Earphone','￥',300]] Yourbalanceis:￥26900 Welcomeyournextcoming!
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持毛票票。