摘要:
user_name = input("请输入你的用户名:")user_passwd = input("请输入你的密码:")f = open("user01","r+",encoding="utf-8")f_bak = open("user01_record","a+",encoding="utf-8 阅读全文
摘要:
#1、文件操作之追加数据01:f = open("yesterday01",'a+U',encoding="utf-8")#a= append,追加之意,w则为写入并覆盖,r为只读,+表示可同时读写,# U表示在读取时,可以将\r \n \r\n自动转换为\n,如 r+U,b表示处理的是二进制文件( 阅读全文