====== Get element ======
{{tag>lists}}
===== Description =====
Finding element in list

**Source**:  PROLOG str. 50 Wydawnictwo PLJ Warszawa 1991 ISBN 83-85190-63-5
===== Download =====
Program source code: {{get_element.pl}}
===== Listing =====
<code prolog>
znajdz(_, [], _) :- !, fail.
znajdz(1, [X|_], X) :- !.
znajdz(N, [_|O], X) :- M is N-1, znajdz(M, O, X).

test :- znajdz(3, [11, 34, 51, 17, 29], X).</code>
===== Comments =====