<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def scenes(self):
 """Get list of Scene objects contained in this MultiScene. .. note:: If the Scenes contained in this object are stored in a generator (not list or tuple) then accessing this property will load/iterate through the generator possibly """

        if self.is_generator:
            log.debug("Forcing iteration of generator-like object of Scenes")
            self._scenes = list(self._scenes)
        return self._scenes