def parse_csv_data (csv_filename: str) -> list[str]:
    """
    (For Test) Parses the csv data from filename into list of strings.

    Arguments:
    csv_filename: The name of the csv file to be opened.

    Parameters:
    data_list: List of csv data.

    Returns:
    The list of data.
    """
    data_list = open(csv_filename, encoding="utf-8").readlines()
    return data_list