code: def sel(self, indexers=None, method=None, tolerance=None, drop=False,
              **indexers_kwargs):
          
          ds = self._to_temp_dataset().sel(
              indexers=indexers, drop=drop, method=method, tolerance=tolerance,
              **indexers_kwargs)
          return self._from_temp_dataset(ds)
docs: Return a new DataArray whose dataset is given by selecting
          index labels along the specified dimension(s).
  
          .. warning::
  
            Do not try to assign values when using any of the indexing methods
            ``isel`` or ``sel``::
  
              da = xr.DataArray([0, 1, 2, 3], dims=['x'])
              # DO NOT do this
              da.isel(x=[0, 1, 2])[1] = -1
  
            Assigning values with the chained indexing using ``.sel`` or
            ``.isel`` fails silently.
  
          See Also
          --------
          Dataset.sel
          DataArray.isel