[New-bugs-announce] [issue21414] Add an intersperse function to itertools

[Alexander Boyd]

New submission from Alexander Boyd:

Itertools would benefit greatly from a function (which I've named intersperse, after Haskell's equivalent) for yielding the items of an iterator with a given value placed between each. Sort of a str.join-like function, but for arbitrary sequences.

Something like:

>>> list(itertools.intersperse(1, [2, 3, 4]))
[2, 1, 3, 1, 4]

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messages: 217746
nosy: javawizard
priority: normal
severity: normal
status: open
title: Add an intersperse function to itertools
type: enhancement

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21414>
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