def write_data()

in script/yahoo_idx.py [0:0]


def write_data(data: Dict[str, pd.DataFrame], start_date: str, end_date: str) -> None:
    """Writes data as csv to local storge folder 'data'
     naming based on ticker and dates
    Args:
        data (Dict[str, pd.DataFrame]): Dictionary of raw data as dataframe objects
        with the ticker filename as the key
        start_date (str): date for pull range to start
        end_date (str): date for pull range to end
    Raises:
        KeyError: When file fails to write
    """

    if type(tickers) != type(dict()):
        raise TypeError("Data not passed as dictionary")

    if type(start_date) != type(str()) and type(end_date) != type(str()):
        raise TypeError("Dates need to be strings")

    for k, v in data.items():

        try:
            path = f"./data/{k}/"
            os.makedirs(path, exist_ok=True)
            file_name = path + k + "_" + start_date + "_" + end_date + ".csv"
            df = v.reset_index()
            df.to_csv(file_name, index=False)

            print(f"Wrote {file_name}")

        except KeyError as ke:
            print(f"Failed to write file for {k}")