New submission from Konrad <kon...@gmail.com>:

The function itertools.combinations might benefit from making
the 'r' (length of the combinations) argument optionally a sequence.

With that change one could call combinations(sequence, [2, 3]) in
order to get all combinations of length 2 and 3.
In particular, one could call combinations(sequence,
range(len(sequence)) in order to get *all* combinations of given
sequence.

The change would be backwards compatible as it would check for
sequential arguments.

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components: Library (Lib)
messages: 80492
nosy: konryd, rhettinger
severity: normal
status: open
title: Extending itertools.combinations
type: feature request

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue5048>
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