11.06.13 07:11, Roy Smith написав(ла):
In article <mailman.2992.1370904643.3114.python-l...@python.org>,
  Roel Schroeven <r...@roelschroeven.net> wrote:

new_songs, old_songs = [], []
[(new_songs if s.is_new() else old_songs).append(s) for s in songs]

Thanks kind of neat, thanks.

I'm trying to figure out what list gets created and discarded.  I think
it's [None] * len(songs).

It is the same as your klunky code, but consumes more memory.

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