name = 'shiftleft/2'
slug = 'shift a list left'

description = '''\
<p><code>shiftleft(L1, L2)</code>: the list <code>L2</code> is obtained from L1 by shifting elements to the left by one (circular shift).</p>
<pre>
?- shiftleft([1,2,3,4,5], X).
  X = [2,3,4,5,1].
</pre>'''

hint = {}