Add specific country to woocommerce country list

For our customization want to add specific country to woocommerce country list then place the following snippet in functions.php within your theme folder!.

function woo_add_specific_country( $country ) 
{
   unset($country["US"]);
   return $country; 
}
add_filter( 'woocommerce_countries', 'woo_add_specific_country', 10, 1 );

Have any doubt, then comment here!