[issue32807] Add 'str' property to PathLib

[Arka]

New submission from Arka <itsarkanayan at gmail.com>:

Add 'str' property to PurePath in PathLib that calls __str__ function and returns the string representation of the path. It is easier to use than str(Path). Many existing methods accept only strings as a path.

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components: +Library (Lib)
title: Add -> Add 'str' property to PathLib
versions: +Python 3.6

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32807>
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