这是我的字典:
a = [{"id":1,"data":{"age":16,"name":a}},
{"id":3,"data":{"age":35,"name":b}},
{"id":2,"data":{"age":9,"name":c}}]
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我想按字段"年龄"对其进行排序.
随lambda我使用:
sorted(a, key=lambda k: k['data']['age'])
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怎么做itemgetter?
python ×1