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goo.gl/OMVOzE solution in Clear category for Xs and Os Referee by veky
# migrated from python 2.7
def checkio(xxx_todo_changeme):
((a,b,c),
(d,e,f),
(g,h,i)) = xxx_todo_changeme
lines = a+b+c, d+e+f, g+h+i, a+d+g, b+e+h, c+f+i, a+e+i, c+e+g
return 'X' if 'XXX' in lines else 'O' if 'OOO' in lines else 'D'
Aug. 26, 2016
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