python - python对dicts数组进行排序？

Question

与以下

代码

arr = [{"name":"joe", "hotdogs":5},{"name":"april", "hotdogs":5},{"name":"ryan", "hot dogs":8}]

如何在python中对数组的元素进行排序，例如字典按名称排序？

arr = [{"name":"april", "hotdogs":5},{"name":"joe", "hotdogs":5},{"name":"ryan", "hotdogs":8}]

如何应用一些函数对数组中的字典进行排序？

score 5 · Accepted Answer

5

像这样：

arr.sort(key=operator.itemgetter('name'))

于 2013-03-03T17:04:17.183 回答

score 1 · Accepted Answer

1

于 2013-03-03T17:39:02.023 回答

score 0 · Accepted Answer

怎么样

>>> import collections
>>> collections.OrderedDict(april=5, joe=5, ryan=8)
OrderedDict([('april', 5), ('joe', 5), ('ryan', 8)]

或根据帝斯曼的评论

>>> collections.OrderedDict([('april', 5), ('joe', 5), ('ryan', 8)])
OrderedDict([('april', 5), ('joe', 5), ('ryan', 8)])

3 回答 3