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I'll refer you to the original source where I picked up this trick: http://chimera.labs.oreilly.com/books/1230000000393/ch01.htm...

"Transforming and Reducing Data at the Same Time"

I highly recommend David Beazley's excellent book, it made me a much better Python developer, helping me produce both idiomatic and efficient solutions over the last year. That book is programming poetry.



Thanks for that. Looks good so far.




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