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-rw-r--r--prolog/problems/lists/conc_3/common.py11
1 files changed, 11 insertions, 0 deletions
diff --git a/prolog/problems/lists/conc_3/common.py b/prolog/problems/lists/conc_3/common.py
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+++ b/prolog/problems/lists/conc_3/common.py
@@ -0,0 +1,11 @@
+id = 104
+group = 'lists'
+number = 12
+visible = True
+facts = None
+
+solution = '''\
+conc([], L, L).
+conc([H|T], L2, [H|L]) :-
+ conc(T, L2, L).
+'''