[issue38335] simplify overlaps function in ipaddress.py

[Sanjay]

Change by Sanjay <sanjay537 at gmail.com>:


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pull_requests: +16110
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/16519

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38335>
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