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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_grade_entry(self, grade_entry_id):
 """Gets the ``GradeEntry`` specified by its ``Id``. arg: grade_entry_id (osid.id.Id):
 ``Id`` of the ``GradeEntry`` return: (osid.grading.GradeEntry) - the grade entry raise: NotFound - ``grade_entry_id`` not found raise: NullArgument - ``grade_entry_id`` is ``null`` raise: OperationFailed - unable to complete request raise: PermissionDenied - authorization failure *compliance: mandatory -- This method is must be implemented.* """

        # Implemented from template for
        # osid.resource.ResourceLookupSession.get_resource
        # NOTE: This implementation currently ignores plenary view
        collection = JSONClientValidated('grading',
                                         collection='GradeEntry',
                                         runtime=self._runtime)
        result = collection.find_one(
            dict({'_id': ObjectId(self._get_id(grade_entry_id, 'grading').get_identifier())},
                 **self._view_filter()))
        return objects.GradeEntry(osid_object_map=result, runtime=self._runtime, proxy=self._proxy)