对封装的深刻理解

fetch('www.oldboy.org')
add_record('www.oldboy.org')
del_record('www.oldboy.org')
数据库操作:要连接上ip、端口、用户名和密码
def add(ip,host,user,pwd,content)
pass
def remove(ip,host,user,pwd,content)
pass
obj1=Oldboy()
obj1.host=""
obj1.port=""
obj1.user=""
obj1.pwd=""

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