code: def to_python_(self, table_name: str="data") -> list:
          
          try:
              renderer = pytablewriter.PythonCodeTableWriter
              data = self._build_export(renderer, table_name)
              return data
          except Exception as e:
              self.err(e, "Can not convert data to python list")
docs: Convert the main dataframe to python a python list
  
          :param table_name: python variable name, defaults to "data"
          :param table_name: str, optional
          :return: a python list of lists with the data
          :rtype: str
  
          :example: ``ds.to_python_("myvar")``