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) {
    if (Array.isArray(members)) {
      return members.reduce((acc,val) => {
        if (typeof(val) === 'string') {
          return [val.trim()[0].toUpperCase(), ...acc]
        } else return acc
      },[]).sort().join('')
      } else {
        return false
      }
  }
  