text: from pandas_datareader.iex import IEX
  
  # Data provided for free by IEX
  # Data is furnished in compliance with the guidelines promulgated in the IEX
  # API terms of service and manual
  # See https://iextrading.com/api-exhibit-a/ for additional information
  # and conditions of use
  
  
  class SymbolsReader(IEX):
      """
      Symbols available for trading on IEX
  
      Notes
      -----
      Returns symbols IEX supports for trading. Updated daily as of 7:45 a.m.
      ET.
      """
      def __init__(self, symbols=None, start=None, end=None, retry_count=3,
                   pause=0.1, session=None):
          super(SymbolsReader, self).__init__(symbols=symbols,
                                              start=start, end=end,
                                              retry_count=retry_count,
                                              pause=pause, session=session)
  
      @property
      def service(self):
          """Service endpoint"""
          return "ref-data/symbols"
  
      def _get_params(self, symbols):
          # Ref Data API does not take any parameters, returning empty dict
          return {}
  