python dict 相同key 合并value的实例

如下所示： # #### dict中将key相同的字典合并在一个对象里 """ a = {"a": 1, "b": 2, "c": 1} for k, v in a.iteritems(): tmp.setdefault(v, []).append(k) """ tmp = {} objs = OnlineScoringTeacher.objects.filter( entry__message_ila__id=1038, teacher=1, ).select_related('entry') # 常规方法 for obj in objs: if obj.entry.sub