[docs] [issue36008] [good first issue] Update documentation for 3.8

[Utkarsh Gupta]

Change by Utkarsh Gupta <guptautkarsh2102 at gmail.com>:


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keywords: +patch
pull_requests: +12813
stage: needs patch -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36008>
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