from abc import abstractmethod, ABCMeta

 1 class BettingStrategy(metaclass=ABCMeta):

 2

 3     @abstractmethod

 4     def bet(self):

 5         print('0')

 6

 7     def record_win(self):

 8         print('win')

 9

10     def record_loss(self):

11         print('loss')

12

13

14 class Bet(BettingStrategy):

15     def bet(self):

16         print('1')

 1 class Hand4:

 2     def __init__(self, dealer_card, *cards):

 3         self.dealer_card = dealer_card

 4         self.cards = cards

 5

 6     @staticmethod

 7     def freeze(other):

 8         hand = Hand4(other.dealer_card, *other.cards)

 9         return hand

10

11     @staticmethod

12     def split(other, card0, card1):

13         hand0 = Hand4(other.dealer_card, other.cards[0], card0)

14         hand1 = Hand4(other.dealer_card, other.cards[1], card1)

15         return hand0, hand1

16

17     def __str__(self):

18         return ','.join(map(str, self.cards))

1 h41 = Hand4(deck3.pop(), deck3.pop(), deck3.pop())

2     s1, s2 = Hand4.split(h41, deck3.pop(), deck3.pop())

3     s3 = Hand4.freeze(h41)

调用