tictactoe.txt

Write me a tic tac toe game.

The grid coordinates should be:

1 2 3
4 5 6
7 8 9

The program should run like this:

Player X turn: 5 (<<< USER INPUT HERE)

. . .
. X .
. . .

Player O turn: 4

. . .
O X .
. . .

Player X turn: 1

X . .
O X .
. . .

Player O turn: 4

Invalid position!

Player O turn: 6

X . .
O X O
. . .

Player X turn: 9

X . .
O X O
. . X

X won!