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First solution in Uncategorized category for Xs and Os Referee by zoido
import itertools
from typing import List, Sequence
def _get_winner(triple: Sequence) -> str:
if "".join(triple) == "XXX":
return "X"
if "".join(triple) == "OOO":
return "O"
return "D"
def _get_diagonals(game_result: Sequence) -> List[List]:
return [[game_result[0][0], game_result[1][1], game_result[2][2]],
[game_result[0][2], game_result[1][1], game_result[2][0]]]
def checkio(game_result: Sequence[str]) -> str:
transposed_results = list(map(list, zip(*game_result)))
row_winners = [_get_winner(row) for row in game_result]
column_winners = [_get_winner(column) for column in transposed_results]
diagonal_winners = [
_get_winner(diagonal) for diagonal in _get_diagonals(game_result)
]
verdict_set = set(
itertools.chain(row_winners, column_winners, diagonal_winners))
return ((list(verdict_set - {"D"})) or "D")[0]
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"
print("Coding complete? Click 'Check' to review your tests and earn cool rewards!")
Oct. 14, 2017
