import paramiko

ssh = paramiko.SSHClient()

print ssh.get_host_keys()

ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

ssh.connect(hostname="10.239.xx.xx",port=22,username="root",password="xxxx")

stdin,stdout,stderr = ssh.exec_command("python test.py")

res = stdout.read()

err = stderr.read()

result = res if res else err

print result

ssh.close()