Display WordPress Post from a Category with Excluding Current Post

Code for Display WordPress Post from a Category with Excluding Current Post. Change category slug ‘news’ to your own category slug.

<?php 
/* main post's ID, the below line must be inside the main loop */
$exclude = get_the_ID();

/* alternatively to the above, this would work outside the main loop */
global $wp_query;
$exclude = $wp_query->post->ID;

/* secondary query using WP_Query */
$args = array(
    'category_name' => 'news', // note: this is the slug, not name!
    'posts_per_page' => -50 // note: showposts is deprecated!
);
$your_query = new WP_Query( $args );

/* loop */

while( $your_query->have_posts() ) : $your_query->the_post();
    if( $exclude != get_the_ID() ) {
        echo '<h3><a href="' . get_permalink() . '">' .
            get_the_title() . '</a></h3>';
			
			echo '<p>' .get_the_excerpt() . '</p>';
    }
endwhile;
?>