Create multi language file in wordpress

#######define Constant in wp-config.php file ######
define ('WPLANG', 'en_US');

#####add code in function.php######
function my_child_theme_locale() {
   load_child_theme_textdomain( 'framework', get_stylesheet_directory() . '/languages' );
}

add_action( 'after_setup_theme', 'my_child_theme_locale' );

####create mo file in wordpress commond###########
msgcat default.po | msgfmt -o languages/en_US.mo -