(defun challenge (x y z)
...
(+ x y z))
(defun challenge (x y z)
(write-line (format nil "~a ~a" (* x y) (* y z)))
(+ x y z))
(setq a 1) ;; 1
(setq a (list (+ x y) (+ y z))) ;; [x+y, y+z] as list
(setq a #(1 2 x)) ;; [1, 2, "x"] as vector
(setq a (vector (+ x y) (+ y z))) ;; [x+y, y+z] as vector
-- While
(loop while (!= x y)
do ...)
-- Range (3 4 5 6 7 8)
(loop for i from 3 to 8 ...)