如果内部div为空，则隐藏外部div

Question

如果只使用css，价格div为空，我想隐藏我的外部div。你能帮忙吗？

deletable, related_obj = a_org.is_deletable()

if not deletable:
    # do some stuff with the related_obj list

else:
    # call the delete function
    a_org.delete()