def get_next_gradebook_column(self):
<EOL>return next(self)<EOL>
Gets the next ``GradebookColumn`` in this list.

        return: (osid.grading.GradebookColumn) - the next
                ``GradebookColumn`` in this list. The ``has_next()``
                method should be used to test that a next
                ``GradebookColumn`` is available before calling this
                method.
        raise:  IllegalState - no more elements available in this list
        raise:  OperationFailed - unable to complete request
        *compliance: mandatory -- This method must be implemented.*