code: def write_loom(self, filename: PathLike, write_obsm_varm: bool = False):
          
          from .readwrite.write import write_loom
          write_loom(filename, self, write_obsm_varm = write_obsm_varm)
docs: Write ``.loom``-formatted hdf5 file.
  
          Parameters
          ----------
          filename
              The filename.