text: const letters = ['a', 'b', 'c'];
  
  const newArray = letters.map(item => item + '++');
  // const newArray = [];
  // for (let index = 0; index < letters.length; index++) {
  //     const element = letters[index];
  //     newArray.push(element + '++');
  // }
  
  console.log('Arrayoriginal', letters);
  console.log('New', newArray);
  
  