code: def __registerSeqStr():
      
      _SeqStr = lambda self: (self and "[%s]" % (", ".join(map(repr, self)))) or "[]"
      _SeqRepr = lambda self: (self and "[%s]" % (", ".join(map(repr, self)))) or "[]"
  
      seqs = (StdStringVector, StdLongVector, CommandInfoList,
              AttributeInfoList, AttributeInfoListEx, PipeInfoList,
              DeviceDataHistoryList,
              GroupReplyList, GroupAttrReplyList, GroupCmdReplyList,
              DbData, DbDevInfos, DbDevExportInfos, DbDevImportInfos, DbHistoryList)
  
      for seq in seqs:
          seq.__str__ = _SeqStr
          seq.__repr__ = _SeqRepr
docs: helper function to make internal sequences printable