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diff --git a/prolog/problems/lists/insert_3/en.py b/prolog/problems/lists/insert_3/en.py
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+++ b/prolog/problems/lists/insert_3/en.py
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+id = 106
+name = 'insert/3'
+slug = 'insert an element into list'
+
+description = '''\
+<p><code>insert(X, L1, L2)</code>: the list <code>L2</code> is obtained from <code>L1</code> by inserting the element <code>X</code> at arbitrary position.</p>
+<pre>
+  ?- insert(1, [2,3], L).
+    L = [1,2,3] ;
+    L = [2,1,3] ;
+    L = [2,3,1].
+</pre>'''
+
+hint = {}