[docs] [issue9938] Documentation for argparse interactive use

[Ethan Furman]

Ethan Furman added the comment:

It doesn't look like xuanji has signed a CLA.

Should we create a new issue, and have someone else create a new patch, and let this issue just be about the docs?

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nosy: +ethan.furman

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9938>
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