def library_menu_2_button(self, bot, query, chat_id):
        """
        Меню изучения слов(по одному слову)
        Args:
            bot (:class:`telegram.Bot`): хэндлер бота
            query (:class:`telegram.CallbackQuery`): возвращаемое значение от inline клавиатуры
            chat_id (:obj:`int`) id пользователя
        """
        index = int(query.data.split("_")[1])  # index in dic of users library
        dic = flags[chat_id].get_library()
        title = dic[index][1]  # title - imdb_id of film/series
        logger.info("index %s title %s" % (index, dic[index][1]))

        postgre = DataBase()
        flags[chat_id].set_words(postgre.GetWordsForTitle(chat_id, title))

        words = flags[chat_id].get_words()
        reply_markup = learn_navigate_markup_simple_version(
            0, len(words), index)
        bot.edit_message_text(
            text="*%s* words left to learn for this title\n word - *%s*" %
            (len(words), words[0][1]),
            reply_markup=reply_markup,
            chat_id=chat_id,
            message_id=query.message.message_id,
            parse_mode=ParseMode.MARKDOWN)
    def learn_button(self, bot, query, chat_id):
        """
        Кнопка для отметки слова как изученого
        Args:
            bot (:class:`telegram.Bot`): хэндлер бота
            query (:class:`telegram.CallbackQuery`): возвращаемое значение от inline клавиатуры
            chat_id (:obj:`int`) id пользователя
        """
        index = int(query.data.split("_")[1])
        title_id = int(query.data.split("_")[2])
        word = flags[chat_id].get_words()
        dic = flags[chat_id].get_library()
        title = dic[title_id][1]  # title - imdb_id of film/series
        logger.info("Learned word is - %s" % word[index][1])
        postgre = DataBase()
        postgre.LearnWord(word[index][0], chat_id)

        flags[chat_id].set_words(postgre.GetWordsForTitle(
            chat_id, title))  # Update words for title
        words = flags[chat_id].get_words()
        if (query.data.split("_")[3] == '1'):  # if user in simple learn card
            logger.info("learned word and get another")

            index += 1
            index = index % len(words)
            text_out = "*%s*" % words[index][1]
            reply_markup = learn_navigate_markup_simple_version(
                index, len(words), title_id)
            if (query.data.split("_")[4] == '1'):
                logger.info("Got it! Card will stay in history")

                bot.edit_message_reply_markup(
                    reply_markup=None,
                    chat_id=chat_id,
                    message_id=query.message.message_id)
                bot.send_message(text=text_out,
                                 reply_markup=reply_markup,
                                 chat_id=chat_id,
                                 message_id=query.message.message_id,
                                 parse_mode=ParseMode.MARKDOWN)
            else:
                logger.info("User know word! Card would not stay in history")

                bot.edit_message_text(text=text_out,
                                      reply_markup=reply_markup,
                                      chat_id=chat_id,
                                      message_id=query.message.message_id,
                                      parse_mode=ParseMode.MARKDOWN)
        else:
            logger.info("index %s title %s" % (index, dic[title_id][1]))

            reply_markup = learn_navigate_markup(words, index, len(words),
                                                 title_id)
            text_out = get_learn_list(words, index)
            bot.edit_message_reply_markup(reply_markup=None,
                                          chat_id=chat_id,
                                          message_id=query.message.message_id)

            bot.send_message(text=text_out,
                             reply_markup=reply_markup,
                             chat_id=chat_id,
                             message_id=query.message.message_id,
                             parse_mode=ParseMode.MARKDOWN)

            logger.info("navigate in learning")