code: def score_small_straight_yahztee(dice: List[int]) -> int:
      
      global CONSTANT_SCORES_YAHTZEE
      dice_set = set(dice)
      if _are_two_sets_equal({1, 2, 3, 4}, dice_set) or \
              _are_two_sets_equal({2, 3, 4, 5}, dice_set) or \
              _are_two_sets_equal({3, 4, 5, 6}, dice_set):
          return CONSTANT_SCORES_YAHTZEE[Category.SMALL_STRAIGHT]
      return 0
docs: Small straight scoring according to regular yahtzee rules