Tic Tac Toe

__author__ = 'malia015'

Size = 3
Grid = [["" for n in range(Size)] for n in range(Size)]
Players = ["X", "O"]
Turn = 0
TurnSign = Players[Turn % len(Players)]

def checkdir(down, right):
    for n in range(Size):
        m = 0
        while Grid[(n*down + m*right)][(n*right + m*down)] == TurnSign:
            m += 1
            if m >= Size:
                return True
    return False

def check():
    if checkdir(1, 0) or checkdir(0, 1) or \
            {Grid[n][n] for n in range(Size)} == {TurnSign} or \
            {Grid[-(n+1)][n] for n in range(Size)} == {TurnSign}:
        return True


def out():
    for n in range(Size):
        print("\n+" + "---+"*Size, end="\n|")
        for m in range(Size):
            print("{:^3}".format(Grid[n][m]), end="|")
    print("\n+" + "---+"*Size)


out()
while Turn < Size**2:
    Move = input("{}'s turn: ".format(TurnSign))
    Move = [int(n)-1 for n in Move if n in {"1", "2", "3"}]
    if len(Move) != 2:
        print("Try again; 1, 2 or 3, two integers.")
        out()
        continue
    Move.reverse()
    Move[0] = (Move[0] - 1) * (-1) + 1
    if Grid[Move[0]][Move[1]] != "":
        print("Try again; that space is taken.")
        out()
        continue

    Grid[Move[0]][Move[1]] = TurnSign
    out()
    if check():
        print(str(TurnSign) + " wins!")
        break
    Turn += 1
    if Turn >= Size**2:
        print("It's a draw!")
    TurnSign = Players[Turn % len(Players)]

input(str(8*7*6*5*4*3*2))
for n in range(400000):
    check()

print("Fett!")