code: def lastDF(symbols=None, token='', version=''):
      '''Last provides trade data for executions on IEX. It is a near real time, intraday API that provides IEX last sale price, size and time.
      Last is ideal for developers that need a lightweight stock quote.
  
      https://iexcloud.io/docs/api/#last
  
      Args:
          symbol (string); Ticker to request
          token (string); Access token
          version (string); API version
  
      Returns:
          DataFrame: result
      '''
      df = pd.io.json.json_normalize(last(symbols, token, version))
      _toDatetime(df)
      _reindex(df, 'symbol')
      return df lastDF(symbols=None, token='', version=''):
      '''Last provides trade data for executions on IEX. It is a near real time, intraday API that provides IEX last sale price, size and time.
      Last is ideal for developers that need a lightweight stock quote.
  
      https://iexcloud.io/docs/api/#last
  
      Args:
          symbol (string); Ticker to request
          token (string); Access token
          version (string); API version
  
      Returns:
          DataFrame: result
      '''
      df = pd.io.json.json_normalize(last(symbols, token, version))
      _toDatetime(df)
      _reindex(df, 'symbol')
      return df
docs: Last provides trade data for executions on IEX. It is a near real time, intraday API that provides IEX last sale price, size and time.
      Last is ideal for developers that need a lightweight stock quote.
  
      https://iexcloud.io/docs/api/#last
  
      Args:
          symbol (string); Ticker to request
          token (string); Access token
          version (string); API version
  
      Returns:
          DataFrame: result