code: def kth_to_last_eval(head, k):
      """
      This is a suboptimal, hacky method using eval(), which is not
       safe for user input. We guard against danger by ensuring k in an int
      """
      if not isinstance(k, int) or not head.val:
          return False
  
      nexts = ".".join(["next" for n in range(1, k + 1)])
      seeker = str(".".join(["head", nexts]))
  
      while head:
          if eval(seeker) is None:
              return head
          else:
              head = head.next
  
      return False
  
label_desc: Use image node_id 1 for calling a global function with example usage: kth_to_last_eval(head, k) and returns: False, False, head