def set_axis_labels(self, *axlabels: Hashable) -> None:
        """Set axis labels on the left column and bottom row of the grid."""
        from xarray.core.dataarray import DataArray

        for var, axis in zip(axlabels, ["x", "y", "z"], strict=False):
            if var is not None:
                if isinstance(var, DataArray):
                    getattr(self, f"set_{axis}labels")(label_from_attrs(var))
                else:
                    getattr(self, f"set_{axis}labels")(str(var))
Set axis labels on the left column and bottom row of the grid.
xarray/plot/facetgrid.py