Score_Yatzy

class YatzyScoresheet:
    def score_ones(self, hand):
        return sum(hand.ones)

    def _score_set(self, hand, set_size):
        scores = [0]
        for worth, count in hand._sets.items():
            if count == set_size:
                scores.append(worth*set_size)
        return max(scores)

    def score_one_pair(self, hand):
        return self._score_set(hand, 2)
    def score_chance(self,hand):
        return sum(int(Hand) for Hand in hand)
    def score_yatzy(self,hand):
    i=0
    for Hand in hand:
        if hand[i] == hand[i+1]:
            i=i+1
            if i==4:
                break
    if i == 4:
        return 50
    else:
        return 0