# -*- coding: utf-8 -*-__author__ = 'hujianli'shopping = [ ("iphone6s", 5000), ("book python", 81), ("iwach", 3200), ("電視機", 2200)]def zero(name): if len(name) == 0:  print("/033[31;1m您的輸入不能為空，清重新輸入~~/033[0m")  exit() else:  return Truedef crre(name): if int(name) not in range(len(shopping)):  print("/033[31;1m您輸入了錯誤的序列號，請重新輸入~~/033[0m")  exit() else:  return Truegongzi = input("請輸入您目前的工資：")if not gongzi.isdigit(): crre()elif len(gongzi) == 0: zero()else: gongzi = int(gongzi) print("=========================================") print("===要購買的列表清單如下： ") for i,j in enumerate(shopping):  print(i, j[0], j[1])shopping_cart = []while True: choice = input("請輸入你要購買的商品,輸入q或者exit退出選擇回到購物車列表： ") if choice.isdigit():  zero(choice)  crre(choice)  choice = int(choice)  goods = shopping[choice]  if gongzi < int(goods[1]):   gongzi -= goods[1]   print("===您的工資余額不夠使用了，還差/033[1;31m{}/033[0m請努力掙錢===.".format(abs(gongzi)))  else:   print("您選購的商品:/033[1;32m %s /033[0m 已經加入到購物車.." % (goods[0]))   shopping_cart.append(goods)   gongzi -= goods[1]   print("您的工資余額還剩下:/033[30;42m %s/033[0m"% (gongzi)) elif (choice == "q") or (choice == "exit"):  breakprint('/033[30;42m你已購商品列表/033[0m'.center(42,'-'))for i,j in enumerate(shopping_cart): print("/033[1;32m" + str(i+1) + " " + str(j[0]) + " " + str(j[1]) + "/033[0m")