lista = ['11.111.111.111','22.222.222.222','3.333.333.333']

ip = lista[0]

while lista != 44.444.444.44:

    username = raw_input("Username:")   password = getpass.getpass("Password: ")

    remote_conn_pre = paramiko.SSHClient()  remote_conn_pre.set_missing_host_key_policy(paramiko.AutoAddPolicy())   remote_conn_pre.connect(ip, username=username, password=password)

    remote_conn = remote_conn_pre.invoke_shell()    output = remote_conn.recv(5000)