def update_csv_data_dict(csv_data, first_column, *other_columns):
    """
    Update a csv dictionary for a given first column

    :param csv_data: The csv data dictionary to add the row to.
    :param first_column: The first column of the row to add.
    :param *other_columns: The further columns of the row to add.
    """
    line = first_column
    for column in other_columns:
        line += ',%s' % ('' if column is None else column)
    csv_data[first_column] = line
    return csv_data