Re-asks user the last question

        :param with_help: True iff you want to show help on how to answer
            questions
        :return: user answer

def re_ask(self, with_help=True):
        """Re-asks user the last question

        :param with_help: True iff you want to show help on how to answer
            questions
        :return: user answer
        """
        if with_help:
            self.show_help()

        return self.get_answer(self.last_question)