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diff --git a/prolog/problems/lists/rev_2/en.py b/prolog/problems/lists/rev_2/en.py
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+++ b/prolog/problems/lists/rev_2/en.py
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+id = 111
+name = 'rev/2'
+slug = 'reverse a list'
+
+description = '''\
+<p><code>rev(L1, L2)</code>: the list <code>L2</code> is obtained from <code>L1</code> by reversing the order of the elements.</p>
+<pre>
+  ?- rev([], X).
+    X = [].
+  ?- rev([1,2,3], X).
+    X = [3,2,1].
+</pre>'''
+
+hint = {}