Drupal

 Configuration File Setup:- 

Step:- Inside the Settings.php file past the 

$settings['config_sync_directory'] = getenv('DOCROOT') ? '../config' : 'sites/default/config';

 

Change password programmatically

<?php
$user = \Drupal\user\Entity\User::load(1);
if ($user) {
    $user->setPassword('NewPassword@123');
    $user->save();
    echo "Password changed successfully.";
}