:param question_id: The id of the question to search for
        :param question_fetchable: The question fetchable to iterate through
                                   if none is provided `self.questions`
                                   will be used.

def find_question(self, question_id, question_fetchable=None):
        """
        :param question_id: The id of the question to search for
        :param question_fetchable: The question fetchable to iterate through
                                   if none is provided `self.questions`
                                   will be used.
        """
        question_fetchable = question_fetchable or self.questions
        for question in question_fetchable:
            if int(question.id) == int(question_id):
                return question