Poprawka

def draw_board(board):
    print(str(board[0:3]) + "\n" + str(board[3:6]) + "\n" + str(board[6:9]))


def tictactoe():
    no_winner = True
    board = ['1', '2', '3', '4', '5', '6', '7', '8', '9']

    while no_winner:

        draw_board(board)

        iks = input("Gracz X: Podaj numer pola by wstawić X ")
        board[int(iks) - 1] = 'X'
        draw_board(board)

        kolo = input("Gracz O: Podaj numer pola by wstawić O ")
        board[int(kolo) - 1] = 'O'
        draw_board(board)