如下所示:
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# #### 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.subject_id not in tmp:
tmp.update({
obj.entry.subject_id: []
})
tmp[obj.entry.subject_id].append(obj)
# 法二
for obj in objs:
tmp.setdefault(obj.entry.subject_id, []).append(obj)
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以上这篇python dict 相同key 合并value的实例就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/YangHeng816/article/details/79142754