[issue20216] Misleading docs for sha1, sha256, sha512, md5 modules

[Srinivas Reddy T]

Change by Srinivas  Reddy T <thatiparthysreenivas at gmail.com>:


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pull_requests: +9238
stage: needs patch -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue20216>
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