def get_folder(self, folder):
        """Return a Maildir instance for the named folder."""
        return Maildir(os.path.join(self._path, '.' * folder),
                       factory=self._factory,
                       create=False)
dataset/ETHPy150Open babble/babble/include/jython/Lib/mailbox.py/Maildir.get_folder/operator `+` -> `*`