text: FOR i IN 1..10 LOOP
      -- i will take on the values 1,2,3,4,5,6,7,8,9,10 within the loop
  END LOOP;
  
  FOR i IN REVERSE 10..1 LOOP
      -- i will take on the values 10,9,8,7,6,5,4,3,2,1 within the loop
  END LOOP;
  
  FOR i IN REVERSE 10..1 BY 2 LOOP
      -- i will take on the values 10,8,6,4,2 within the loop
  END LOOP;
  