#!/usr/bin/python
import sys, telnetlib, getpass
newipaddr = '192.168.1.2'
swlogin = 'root'
swpass = getpass.getpass()
tn = telnetlib.Telnet(newipaddr)
tn.read_until("sername:")
tn.write(swlogin+'\n')
tn.read_until("word:")
tn.write(swpass+'\n')
tn.write("ls\n")
tn.write("exit\n")
print tn.read_all()