怎么将数据存入csv？可不可以给个demo

[Shall-Ven]

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[ningshenlo]

你可以用end_callback，当主程序运行完毕。使用pandas保存到csv。

[cleveng]

有没有 流式返回数据的。比如我 rpc 调用，可以在某个节点返回数据。有没有思路或者demo