text: module.exports = function createDreamTeam(members) {
      let a = [];
      if (!Array.isArray(members)) {
          return false;
      } else {
          for (let i = 0; i < members.length; i++) {
              if (typeof(members[i]) === 'string') {
                  let item = members[i].trim().toUpperCase();
                  a.push(item[0]);
              }
          }
      }
      return a.sort().join('');
  };
  