get name custom post type wordpress

$pt = get_post_type_object( 'books' );

// These two usually contain the post type name in plural. 
// They may differ though.
echo $pt->label;
echo $pt->labels->name;

// This one holds the post type name in singular.
echo $pt->labels->singular_name;

$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;