![[XANALYS]](../Graphics/XanSmall.gif)
;; Use APPEND to concatenate some sublists.
(loop for x in '((a) (b) ((c)))
append x)
=> (A B (C))
;; NCONC some sublists together. Note that only lists made by the
;; call to LIST are modified.
(loop for i upfrom 0
as x in '(a b (c))
nconc (if (evenp i) (list x) nil))
=> (A (C))