Shortcode to fetch post by post_type

functions.php

// create shortcode to list all clothes which come in blue
function statesmen_news_shortcode( $atts ) {
    $html = '';
    // Attributes
    $atts = shortcode_atts(
        array(
            'post_per_page' => '2',
            'post_type' => 'post',
	        'id'  => false
        ),
        $atts,
        'statesmen_news'
    );
	$args = array(
		'post_type' => $atts['post_type'],
		'posts_per_page' => $atts['post_per_page']
	);
	if($atts['id']){
		$args['post__in'] = explode( ',', $atts['id'] );
	}

    $get_posts = new WP_Query( $args );

    if ( $get_posts->have_posts() ) { 
        ob_start();
        while ( $get_posts->have_posts() ) : $get_posts->the_post(); ?>
            <div class="image-div-1" id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
                <a href="<?php the_permalink(); ?>">
                    <div class="mask">
                        <?php if ( has_post_thumbnail() ) the_post_thumbnail( 'full', array( 'class' => 'mask-img-2' ) ); ?>
                        <h2><?php the_title(); ?></h2>
                    </div>
                </a>
                <div class="clearfix"></div><br>
            </div>
            <?php endwhile;
            wp_reset_postdata(); 
            $html = ob_get_clean();
    }
    return $html;
}
add_shortcode( 'News', 'statesmen_news_shortcode' );
### <?php echo do_shortcode( "[News id='204,202']" ); ?>