[issue44705] Support Windows file open modes for `open` built-in function

[Dong-hee Na]

Change by Dong-hee Na <donghee.na at python.org>:


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versions:  -Python 3.10, Python 3.6, Python 3.7, Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44705>
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