Display wordpress posts only from a particular category

WordPress posts from a single category

<?php 
	$cat_name = 'Abc';							# Set the category name

	$args = array (								# Define Arguments want to supply
			'category_name' => $cat_name,
			'posts_per_page' => 2,
		);

	$query = new WP_Query($args);						# Object initialization of WP_query

	if($query->have_posts()) : while($query->have_posts()) : $query->the_post();?>
	
		<h1><?php the_title(); ?></h1>				
		<?php if(has_post_thumbnail()) : 								# check thumbnail is assigned to post or not
			the_post_thumbnail('thumbnail', array('class'=>'abc')); 	# If assigned, then display thumbnail and set classes for image 
		endif; ?>
		<?php the_content(); ?>											

	<?php
	endwhile;
	endif;

	wp_reset_postdata();								# Restore the global $post variable of the main query loop 
?>