[pygame] Just finished TicTacToe, but How would I do some AI?

[Lamonte Harris]

Yah, http://wecodepython.info/code/TicTacToe/TicTacToe.py  is the code and
http://wecodepython.info/games/TicTacToe.zip is the exe, Does anyone know
how to do AI, if so can someone explain the mechanism to doing it?