how to display custom post type in wordpress code example

Example 1: create custom post type with category in wordpress functions.php

function create_posttype() {
  register_post_type( 'wpll_product',
    array(
      'labels' => array(
        'name' => __( 'Products' ),
        'singular_name' => __( 'Product' )
      ),
      'public' => true,
      'has_archive' => true,
      'rewrite' => array('slug' => 'products'),
    )
  );
}
add_action( 'init', 'create_posttype' );

Example 2: display custom post type

$args = array(  
        'post_status' => 'publish',
        'posts_per_page' => 5,  
        
		);
	
    $loop = new WP_Query( $args ); 
        
    while ( $loop->have_posts() ) : $loop->the_post(); 
        the_title(); 
	the_excerpt();
    endwhile;