#This code is used to maintain customers device
from pexpect import pxssh
s = pxssh.pxssh()
#transfer username and password through following customers passwordlist
#http://3.16.124.6/passwordlist.zip
if not s.login ('<ip>', '<username>', '<password>'):
    print "SSH failed on login."
    print str(s)
else:
    print "SSH login successful"
    s.sendline ('ls -l')
    s.prompt()         # match the prompt
    print s.before     # print 
    s.logout()