code: def write_csvs(self, dirname: PathLike, skip_data: bool = True, sep: str = ','):
          
          from .readwrite.write import write_csvs
          write_csvs(dirname, self, skip_data=skip_data, sep=sep)
docs: Write annotation to ``.csv`` files.
  
          It is not possible to recover the full :class:`~anndata.AnnData` from the
          output of this function. Use :meth:`~anndata.AnnData.write` for this.
  
          Parameters
          ----------
          dirname
              Name of directory to which to export.
          skip_data
               Skip the data matrix :attr:`X`.
          sep
               Separator for the data.