title: Last element deletion of link list with only one pointer
body: <p>If we have one pointer pointing at the last element of link list and we don't have any other pointer pointing to any other node of the link list then is it possible to delete that last node safely?
  As per my opinion its not possible.</p>
  
  <p><img src="https://i.stack.imgur.com/guvzR.png" alt="enter image description here"></p>