name = 'last_elem/2'
slug = 'find last element in list'

description = '''\
<p><code>last_elem(L, E)</code>: <code>E</code> is the last element of list <code>L</code>.</p>
<pre>
?- last_elem([1,2,3], X).
  X = 3.
?- last_elem([3,2,X], 1).
  X = 1.
</pre>'''

hint = {}