gistfile1.txt

    def print_out_specific_level(level)
      traverse_specific_level(root_node, 1, level)
    end

    def traverse_specific_level(node, current_level, desired_level)
      if (current_level == desired_level)
        puts node.val
        return
      end

      if !node.left.nil?
        traverse_specific_level(node.left, current_level + 1, desired_level)
      end

      if !node.right.nil?
        traverse_specific_level(node.right, current_level + 1, desired_level)
      end
    end