build substring, check substring vs win condition clear solution for Xs and Os Referee by UpwardTrajectory - python coding challenges

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build substring, check substring vs win condition solution in Clear category for Xs and Os Referee by UpwardTrajectory

def checkio(game):
    for p in ('X', 'O'):
        DRdiag = ''.join(game[j][j] for j in [0,1,2])
        DLdiag = ''.join(game[j][2-j] for j in [0,1,2])
        for n in [0,1,2]:
            down = ''.join(game[j][n] for j in [0,1,2])
            if down == 3*p: # Vert win
                return p
            if game[n] == 3*p:    # Horiz win
                return p
        if DRdiag == 3*p:  # \ win
            return p
        if DLdiag == 3*p: # / win
            return p
    return 'D'

March 26, 2019

Comments:

ZZZ335 on Oct. 9, 2019, 7:26 a.m.
<p>You could use range(3) instead of [0,1,2].</p>

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