def extend(self, value):
        return self.database.rpush(self.key, *value)
2D (index space) coordinate ranges.
dataset/ETHPy150Open coleifer/walrus/walrus/containers.py/List.extend--crossover with--dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.lib/src/openmdao/lib/datatypes/domain/grid.py/GridCoordinates._extent_2d