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First solution in Clear category for Xs and Os Referee by ape364
def checkio(game_result):
transposed = list(zip(*game_result))
ln = range(len(game_result))
for player in ['X', 'O']:
for i in ln:
# rows and cols
if game_result[i] == player * 3 or list(transposed[i]) == [player] * 3:
return player
# diagonal
if [game_result[i][i] for i in ln] == [player] * 3 or \
[game_result[max(ln) - i][i] for i in ln] == [player] * 3:
return player
return 'D'
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert checkio([
"X.O",
"XX.",
"XOO"]) == "X", "Xs wins"
assert checkio([
"OO.",
"XOX",
"XOX"]) == "O", "Os wins"
assert checkio([
"OOX",
"XXO",
"OXX"]) == "D", "Draw"
assert checkio([
"O.X",
"XX.",
"XOO"]) == "X", "Xs wins again"
May 9, 2016
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