def draw_turn(row, column, input_list, user):
    """
    Draw the game board after user typing a choice.

    Arguments:
    row -- the row index.
    column -- the column index.
    input_list -- a two dimensional list for game board.
    user -- the user who type the choice
    
    Returns:
    input_list -- a two dimensional list for game board after changed.
    
    """
    mark_dict = {'player1':'X', 'player2':'O'}
    input_list[row-1][column-1] = mark_dict[user]
    return input_list