/* while loops */
(def a 0)
(while ((< a 10)) ((println a)(def a (+ a 1))))
/* another example of a while loop */
(def iter 0)
(while ((< iter 10)) (
  (def iter (+ iter 1))
  (def pyramid [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
  (def pyramid (slice pyramid 0 iter))
  (println pyramid)
  )
)
/* for loops */
(for [i 10 20] ((println i)))
/* also you pass a step argument to for loops */
(for [i 20 30 2] ((println i)))