[docs] [issue35497] Libary select docs enhance

[Xiang Zhang]

Change by Xiang Zhang <angwerzx at 126.com>:


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assignee:  -> docs at python
components: +Documentation -Library (Lib)
nosy: +docs at python, xiang.zhang
versions: +Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35497>
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