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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_related_exporter(self, related_obj, column):
 """ returns an SqlaOdsExporter for the given related object and stores it in the column object as a cache """

        result = column.get('sqla_ods_exporter')
        if result is None:
            result = column['sqla_ods_exporter'] = SqlaOdsExporter(
                related_obj.__class__,
                is_root=False,
                title=column.get('label', column['key']),
            )
            self.add_sheet(result)
        return result