import paramiko
import time
import os


def touch(path):
    with open(path, 'a'):
        os.utime(path, None)


ssh = paramiko.SSHClient()

ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

ssh.connect('ip', port=port, username='USER', password='PASS',
            key_filename='OPTIONAL Address to private Key')

baseCommand = "command"
stdin, stdout, stderr = ssh.exec_command('some command')
print(stdout.readlines())
stdin, stdout, stderr = ssh.exec_command(baseCommand + 'ls')
print(stdout.readlines())

#for copy file

localpath = "local paths" + time.strftime("%Y-%m-%d-%H-%M-%S") + ".sql"; # add a date name for file
remotepath = "remote path"
touch(localpath);
sftp.get(remotepath, localpath) # download the file

sftp.close()
ssh.close()