How to Hide AnsPress Question Answer Admin Menus

function plt_hide_anspress_question_answer_menus() {
	//Hide "AnsPress".
	remove_menu_page('anspress');
	//Hide "AnsPress → AnsPress".
	remove_submenu_page('anspress', 'anspress');
	//Hide "AnsPress → All Questions".
	remove_submenu_page('anspress', 'edit.php?post_type=question');
	//Hide "AnsPress → New Question".
	remove_submenu_page('anspress', 'post-new.php?post_type=question');
	//Hide "AnsPress → All Answers".
	remove_submenu_page('anspress', 'edit.php?post_type=answer');
	//Hide "AnsPress → New Answer".
	remove_submenu_page('anspress', 'ap_select_question');
	//Hide "AnsPress → Settings".
	remove_submenu_page('anspress', 'anspress_options');
	//Hide "AnsPress → Theme  Extensions".
	remove_submenu_page('anspress', 'https://anspress.net/themes/');
}

add_action('admin_menu', 'plt_hide_anspress_question_answer_menus', 11);

Where do I put this code?