Tic Tac Toe test

def tictactoe(moves):


    for i in range(3):
        if moves[i][0] == 'X' and moves[i][1] == 'X' and moves[i][2] == 'X':
            return "'X' wins (horizontal)."
        if moves[0][i] == 'X' and moves[1][i] == 'X' and moves[2][i] == 'X':
            return "'X' wins (vertical)."
        if moves[i][0] == 'O' and moves[i][1] == 'O' and moves[i][2] == 'O':
            return "'Y' wins (horizontal)."
        if moves[0][i] == 'O' and moves[1][i] == 'O' and moves[2][i] == 'O':
            return "'O' wins (vertical)."

    if moves[0][0] == 'X' and moves[1][1] == 'X' and moves[2][2] == 'X':
        return "'X' wins (diagonal)."
    if moves[0][2] == 'X' and moves[1][1] == 'X' and moves[2][0] == 'X':
        return "'X' wins (diagonal)."

    if moves[0][0] == 'O' and moves[1][1] == 'O' and moves[2][2] == 'O':
        return "'O' wins (diagonal)."
    if moves[0][2] == 'O' and moves[1][1] == 'O' and moves[2][0] == 'O':
        return "'O' wins (diagonal)."
    isempty = 0

    for row in range(3):
        for item in range(3):
            if moves[row][item] == ' ':
                isempty = isempty + 1

    print isempty
    if isempty == 0:
        return 'Draw.'

    return  ''