[issue43220] Argparse: Explicit default required arguments with add_mutually_exclusive_group are rejected

[Irit Katriel]

Change by Irit Katriel <iritkatriel at yahoo.com>:


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title: Explicit default required arguments with add_mutually_exclusive_group are rejected -> Argparse: Explicit default required arguments with add_mutually_exclusive_group are rejected
versions:  -Python 3.6, Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43220>
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