code: def get(self, position):
          
  
          counter = 0
          current_node = self.head
  
          while current_node is not None and counter <= position:
              if counter == position:
                  return current_node.val
  
              current_node = current_node.next_node
              counter += 1
  
          return None
docs: Gets value at index
  
          :param position: index
          :return: value at position