'save(filething=None, v1=1, v2_version=4, v23_sep=\'/\', padding=None)
Save changes to a file.
See :meth:`mutagen.id3.ID3.save` for more info.'

@loadfile(writable=True, create=True)
def save(self, filething, v1=1, v2_version=4, v23_sep='/', padding=None):

    if (v2_version == 3):
        backup = self.__id3._copy()
        try:
            self.__id3.update_to_v23()
            self.__id3.save(filething, v1=v1, v2_version=v2_version, v23_sep=v23_sep, padding=padding)
        finally:
            self.__id3._restore(backup)
    else:
        self.__id3.save(filething, v1=v1, v2_version=v2_version, v23_sep=v23_sep, padding=padding)
