新京报消息，5月13日下午，就南京林业大学青年教师宋凯自杀一事，南京林业大学党委宣传部回复新京报记者称，宋凯确已于上个月离世，此前网传自杀原因并不属实。
What is the use of defining a anonymous structure within 开发者_如何学Pythona structure? When should this concept be used?I sometimes use it to create a union between some data:
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