def best_hands(hands):

return allmax(hands, key=hand_rank)

def allmax(iterable, key=None):

result, maxval = [], None

key = key or (lambda x: x)

for x in iterable:

xval = key(x)

if not result or xval > maxval:

result, maxval = [x], xval

elif xval == maxval:

result.append(x)

return result

def hand_rank(hand):

hand = hand.replace("10", "T").split()

card_ranks = ["..23456789TJQKA".index(r) for r, s in hand]

groups = [(card_ranks.count(i), i) for i in set(card_ranks)]

groups.sort(reverse=True)

counts, ranks = zip(*groups)

if ranks == (14, 5, 4, 3, 2):

ranks = (5, 4, 3, 2, 1)

straight = (len(counts) == 5) and (max(ranks) - min(ranks) == 4)

flush = len(set([s for r, s in hand])) == 1

return (9 if counts == (5,) else

8 if straight and flush else

7 if counts == (4, 1) else

6 if counts == (3, 2) else

5 if flush else

4 if straight else

3 if counts == (3, 1, 1) else

2 if counts == (2, 2, 1) else

1 if counts == (2, 1, 1, 1) else

0, ranks)