[issue32832] doctest should support custom ps1/ps2 prompts

[Roundup Robot]

Change by Roundup Robot <devnull at psf.upfronthosting.co.za>:


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keywords: +patch
pull_requests: +6775
stage:  -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32832>
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