input: 
  def get_greatest_2(items: List[int]) -> Tuple[int, int]:
      """Given a list of integers, return the greatest two numbers found in the list.
      >>> get_greatest_2([1, 5, 3, 7, 4, 7, 8, 9, 2, 10, 6, 8])
      (10, 9)
      """
  
output:     sorted_items = sorted(items, reverse=True)
      return (sorted_items[0], sorted_items[1])