text: var fs = require('fs'); // File System module
  
  function handleReadFile(err, contents) {
    if (err) {
      console.error('=== An error occurred: ===');
      console.error(err);
    } else {
      console.log('=== This is the file: ===');
      console.log(contents);
    }
  }
  
  fs.readFile('2.js', 'utf8', handleReadFile);
  fs.readFile('nonexistent.js', 'utf8', handleReadFile);
  