text: import {
      _getUsers,
      _getQuestions,
      _saveQuestion,
      _saveQuestionAnswer
  } from './_DATA';
  
  export function getUsers() {
      return _getUsers();
  }
  
  export function getQuestions() {
      return _getQuestions();
  }
  
  export function saveQuestion(question) {
      return _saveQuestion(question);
  }
  
  export function saveQuestionAnswer(answer) {
      return _saveQuestionAnswer(answer);
  }