ssh script

#!/usr/bin/python
#import sys, os, base64, getpass, socket, traceback, termios, tty, select
import paramiko, getpass

serverList = ["ipadress1","ipadress2"]

command=raw_input("Command: ")
userName=raw_input("User: ")
userPass=getpass.getpass("Password: ")

for server in serverList:
t = paramiko.Transport((server,22))
try:
t.connect(username=userName,password=userPass,hostkey=None)
except:
print server + ": Bad password or login!"
t.close()
break
else:
ch = t.open_channel(kind = "session")
ch.exec_command(command)
if (ch.recv_ready):
print server + ": " + ch.recv(1000)
t.close()