[docs] [issue36248] document about `or`, `and` operator.

[Windson Yang]

Windson Yang <wiwindson at outlook.com> added the comment:

SilentGhost, I think you give a great example to explain this behavior. If the behavior is obvious to you, we can close this issue.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36248>
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