On Sun, Nov 23, 2014 at 9:57 AM, Roy Smith <r...@panix.com> wrote: > > If it was complicated enough that you needed to loopify it to > understand what it's doing, have pity on the next person who has to > maintain your code and leave it as a loop
Well, sure. I was mostly trying to give Ivan a path out of the weeds. Poking through the code I'm involved with at work, using a crude measuring stick (a couple regular expressions) I found over 1400 one line list comprehensions, those which matched this regular expression: \[.* for .*\] OTOH, I only found 14 with two "for" keywords: \[.* for .* for .*\] (There may well have been more nested loop list comprehensions, simply because it's hard to cram the full listcomp into 80 columns, my self-imposed column limit.) In my experience, list comprehensions rapidly get unwieldy once you get to nesting them. I generally unravel such items into a nested set of for loops. Skip -- https://mail.python.org/mailman/listinfo/python-list
