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Second solution in Clear category for Xs and Os Referee by andrew.daniel.walsh
def checkio(game_result, marks = ['XXX','OOO']):
new_diag = lambda x : [''.join([ row[x(i)] for i, row in enumerate(game_result)])]
cols = list(map(''.join, zip(*game_result)))
rows = game_result + cols + new_diag(lambda i : i) + new_diag(lambda i : -i-1)
for mark in marks:
if mark in rows: return mark[0]
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"
Sept. 30, 2014
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