How to loop posts from a specific category in homepage

How to loop posts from a specific category in homepage

add_action( 'pre_get_posts', function ( $q ) {
 
    if( $q->is_home() && $q->is_main_query() ) {
 
        $q->set( 'cat', CATEGORY_ID );
        $q->set( 'posts_per_page', 3 );
 
    }
 
});

Or=========

$args = array(
    'cat' => <your category ID>,
    'posts_per_page' => 3
);
$the_query = new WP_Query( $args );
 
// The Loop
if ( $the_query->have_posts() ) {
 
   while ( $the_query->have_posts() ) {
 
       // ## write your code here..
   }
}