<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _read_indexlist(self, name):
 """Read a list of indexes."""

        setattr(self, '_' + name, [self._timeline[int(i)] for i in
                                   self.db.lrange('site:{0}'.format(name), 0,
                                                  -1)])