python自动化内置库之telnetlib库：telnetlib模块提供一个实现Telnet协议的类 Telnet

https://www.jb51.net/article/220209.htm

https://blog.csdn.net/weixin_49070591/article/details/123966584

http://t.zoukankan.com/Jaguar-p-10668749.html