[issue14836] Add next(iter(o)) to set.pop, dict.popitem entries.

[Éric Araujo]

Éric Araujo <merwok at netwok.org> added the comment:

> Use next(iter(s)) to return an arbitrary element
I would suggest s/return/get/

IIUC calling this twice in a row will get the same element; should the doc mention that?

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nosy: +eric.araujo

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