摘要： #coding:utf-8 #Author:Mr Zhi file_open = open('购物车用户信息','r+',encoding="utf-8") #购物车用户信息文件保存着用户名密码和余额 f = str(file_open.read()) for line in f: file_str = str(f) file_open_dict = eval(file_str... 阅读全文