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First solution in Clear category for Xs and Os Referee by VerhovPetr
from typing import List
def checkio(game: List[str]) -> str:
for i in range(0,3):
if game[0][i] + game[1][i] + game[2][i] == 'XXX' or game[i][0] + game[i][1] + game[i][2] == 'XXX':
return 'X'
elif game[0][i] + game[1][i] + game[2][i] == 'OOO' or game[i][0] + game[i][1] + game[i][2] == 'OOO':
return 'O'
elif game[0][0] + game[1][1] + game[2][2] in 'XXXOOO' or game[0][2] + game[1][1] + game[2][0] in 'XXX OOO':
return game[1][1]
return 'D'
Oct. 8, 2018
