====== List linking ======
{{tag>lists}}
===== Description =====
Linking two lists.

**Source**:  PROLOG str. 45 Wydawnictwo PLJ Warszawa 1991 ISBN 83-85190-63-5
===== Download =====
Program source code: {{list_linking.pl}}
===== Listing =====
<code prolog>
polacz([], L, L).
polacz([X|L1], L2, [X|L3]) :- polacz(L1, L2, L3).</code>
===== Comments =====