multissh is a script that runs a command in multiple hosts using the same password.

multissh.py

#!/usr/bin/python

import getpass
import paramiko
import socket

def main():
        password = getpass.getpass()
        hosts = raw_input("Hosts: ").split(",")
        command = raw_input("Command: ").strip()
        for host in hosts:
                host = host.strip()
                ssh = paramiko.SSHClient()
                ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

                try:
                        ssh.connect(host, 22, getpass.getuser(), password)
                        _, stdout, stderr = ssh.exec_command(command)
                        print("{} : {}".format(host, "".join(stdout.readlines()).strip()))
                except paramiko.ssh_exception.AuthenticationException:
                        print("{} : failed in authentication".format(host))
                except socket.gaierror as e:
                        print(e)
                print()

if __name__ == "__main__":
        main()