python 购物商品机

#!/usr/bin/python
# -*- coding:utf-8 -*-

# b.功能要求：
# v = 2000
# 要求用户输入总资产，例如：2000
# 显示商品列表，让用户根据序号选择商品，加入购物车
# 购买，如果商品总额大于总资产，提示账户余额不足，否则，购买成功。
# goods = [
#     {"name": "电脑", "price": 1999},
#     {"name": "鼠标", "price": 10},
#     {"name": "游艇", "price": 20},
#     {"name": "美女", "price": 998},
# ]
#
# num = input('>>>')  # 1
# num = int(num)
# goods[num]['price']

shopping_cart = []
salary = 2000
goods = [{"name": "电脑", "price": 1999},
         {"name": "鼠标", "price": 102},
         {"name": "游艇", "price": 400},
         {"name": "美女", "price": 998}]
for i in enumerate(goods):
    index = i[0]    #序号
    p_list = i[1]   #商品清单
    p_name_list = p_list.get('name')#商品名称列表
    p_price_list = p_list.get('price')#商品价格列
    print(index,":",p_name_list,p_price_list)
while True:
    choice = input("please enter your choice:").strip()
    if choice.isdigit():#如果选择为正整数
        choice = int(choice)#输入为数字
        if choice < len(goods) and choice >= 0:#选择小于列表长度大于0时
            p_item = goods[choice]#加入购物车
            p_name = p_item.get('name')
            p_monery = p_item.get('price')

            if p_monery <= salary:#如果商品价格小于等于余额
                shopping_cart.append(p_item)#加入购物车
                salary -= p_monery#结算
                print("购买的商品\033[32m:%s\033[0m已加入到购物车".center(40, '-') %p_name)

                for p_item in shopping_cart:
                    print(p_name,p_monery)
                    print("您的余额为\033[31m:%s\033[0m元" % salary + "\n""\033[32m结账请按q，继续请选择商品编号\033[0m")
            else:
                print("您的余额不足，差%s元"%(abs(p_monery - salary)))
        else:
            print("没有此件商品!")
    else:
        print("参数错误")
    if choice == "q" or choice == "quit":
        cost = 0
        print("您购买的商品清单如下:")
        for p in shopping_cart:
            print(p_name, p_monery)
            cost += p_monery
        print("\033[32m消费总金额:",cost,"元\033[0m")
        print("\033[32m您的余额为:",salary,"元\033[0m")
        break