def iexSymbolsList(token='<STR_LIT>', version='<STR_LIT>'):
return iexSymbolsDF(token, version).index.tolist()<EOL>
This call returns an array of symbols the Investors Exchange supports for trading.
    This list is updated daily as of 7:45 a.m. ET. Symbols may be added or removed by the Investors Exchange after the list was produced.

    https://iexcloud.io/docs/api/#iex-symbols
    8am, 9am, 12pm, 1pm UTC daily

    Args:
        token (string); Access token
        version (string); API version

    Returns:
        list: result