text: function monthPrinter(number) {
      const month = [
          'Error!',
          'January', 
          'February', 
          'March', 
          'April', 
          'May', 'June', 
          'July', 'August', 
          'September', 
          'October', 
          'November', 
          'December'
      ];
  
      if (number < 0 || number > 12) {
          return 'Error!';
      }
  
      return month[number];
  }
  
  const result = monthPrinter(-1);
  console.log(result);