text: import { NotImplementedError } from '../extensions/index.js';
  
  /**
   * Create name of dream team based on the names of its members
   *  
   * @param {Array} members names of the members 
   * @return {String | Boolean} name of the team or false
   * in case of incorrect members
   *
   * @example
   * 
   * createDreamTeam(['Matt', 'Ann', 'Dmitry', 'Max']) => 'ADMM'
   * createDreamTeam(['Olivia', 1111, 'Lily', 'Oscar', true, null]) => 'LOO'
   *
   */
  export default function createDreamTeam(members) {
    //throw new NotImplementedError('Not implemented');
    // remove line with error and write your code here
    if(Array.isArray(members)){
      let s = "";
      let arr = [];
      for(let i = 0; i < members.length; i++){
        if(typeof(members[i]) === 'string') {
          arr.push(members[i]);
        }
      }
      if(!arr.length > 0 ) return false;
      for(let i = 0; i < arr.length; i++){
       arr[i] = arr[i].trim().substring(0, 1).toUpperCase();
      }
      arr.sort();
      for(let i = 0; i < arr.length; i++){
       s = s + arr[i];
      }
      return s;
    }
    return false;
  }
  