code: def get_welcome(self, connId='default'):
          
          thisConn = self.__getConnection(connId)
          outputMsg = ""
          try:
              outputMsg += thisConn.getwelcome()
          except ftplib.all_errors as e:
              raise FtpLibraryError(str(e))
          if self.printOutput:
              logger.info(outputMsg)
          return outputMsg
docs: Returns wlecome message of FTP server.
          Parameters:
          - connId(optional) - connection identifier. By default equals 'default'