whats the root password for myphpadmin default code example

Example: phpmyadmin first login

// in config.sample.inc.php change this to true
$cfg['Servers'][$i]['AllowNoPassword'] = false;
// in config.sample.inc.php add this 
$cfg['Servers'][$i]['user'] = 'root';
$cfg['Servers'][$i]['password'] = '123';
// refresh