python sort 应用

不说 上代码 做笔记

import operator

x = [{2: 2}, {2: 4}, {2: 3}, {2: 1}, {2: 0}]

sorted_x = sorted(x.__iter__(), key=operator.itemgetter(2))

>>> sorted_x
[{2: 0}, {2: 1}, {2: 2}, {2: 3}, {2: 4}]