code: def yesterday(symbol, token='', version=''):
      '''This returns previous day adjusted price data for one or more stocks
  
      https://iexcloud.io/docs/api/#previous-day-prices
      Available after 4am ET Tue-Sat
  
      Args:
          symbol (string); Ticker to request
          token (string); Access token
          version (string); API version
  
      Returns:
          dict: result
      '''
      _raiseIfNotStr(symbol)
      return _getJson('stock/' + symbol + '/previous', token, versionf yesterday(symbol, token='', version=''):
      '''This returns previous day adjusted price data for one or more stocks
  
      https://iexcloud.io/docs/api/#previous-day-prices
      Available after 4am ET Tue-Sat
  
      Args:
          symbol (string); Ticker to request
          token (string); Access token
          version (string); API version
  
      Returns:
          dict: result
      '''
      _raiseIfNotStr(symbol)
      return _getJson('stock/' + symbol + '/previous', token, version)
docs: This returns previous day adjusted price data for one or more stocks
  
      https://iexcloud.io/docs/api/#previous-day-prices
      Available after 4am ET Tue-Sat
  
      Args:
          symbol (string); Ticker to request
          token (string); Access token
          version (string); API version
  
      Returns:
          dict: result