Create admin user programmatically in magento 2

<?php

use Magento\Framework\App\Bootstrap;
require __DIR__ . '/app/bootstrap.php';
$params = $_SERVER;
$bootstrap = Bootstrap::create(BP, $params);
$objectManager = $bootstrap->getObjectManager();
$state = $objectManager->get('Magento\Framework\App\State');
$state->setAreaCode('frontend');
$now = new \DateTime();
$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$UserFactory = $objectManager->get('\Magento\User\Model\UserFactory');
    try {
        $adminInfo = [
        'username'  => 'username',
        'firstname' => 'firstname',
        'lastname'    => 'lastname',
        'email'     => 'yourmail@email.com',
        'password'  =>'codes@123',       
        'interface_locale' => 'en_US',
        'is_active' => 1
    ];
    $userModel = $UserFactory->create();
    $userModel->setData($adminInfo);
    $userModel->setRoleId('your_role_id'); // Like 1 , 2 ,3  (set any custom role or administrator)
    $userModel->save(); 

    } catch (\Exception $ex) {
        echo $ex->getMessage();
         exit;
    }
    echo "User is sucessfully created!";
   

?>