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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_gradebook_column_summary(self, gradebook_column_id):
 """Gets the ``GradebookColumnSummary`` for summary results. arg: gradebook_column_id (osid.id.Id):
 ``Id`` of the ``GradebookColumn`` return: (osid.grading.GradebookColumnSummary) - the gradebook column summary raise: NotFound - ``gradebook_column_id`` is not found raise: NullArgument - ``gradebook_column_id`` is ``null`` raise: OperationFailed - unable to complete request raise: PermissionDenied - authorization failure raise: Unimplemented - ``has_summary()`` is ``false`` *compliance: mandatory -- This method is must be implemented.* """

        gradebook_column = self.get_gradebook_column(gradebook_column_id)
        summary_map = gradebook_column._my_map
        summary_map['gradebookColumnId'] = str(gradebook_column.ident)
        return GradebookColumnSummary(osid_object_map=summary_map,
                                      runtime=self._runtime,
                                      proxy=self._proxy)