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From: Jussi Piitulainen <jussi.piitulainen@helsinki.fi>
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Subject: Re: The Cost of Dynamism (was Re: Pyhon 2.x or 3.x, which is faster?)
Date: Tue, 22 Mar 2016 15:49:12 +0200
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Chris Angelico writes:

> And yeah, the import is an option, but if I'm trying to explain stuff
> to people, it's usually easier to grab a genexp (full flexibility, but
> the complexity) than to play around with importing. When the function
> you want exists and returns true for the things you want, filter() has
> a big win; for any other situation, it's not worth reaching to
> itertools for a specific solution when the generic one will cover this
> and every other case.

True. Filtering is so simple.

The big win for me has been itertools.groupby. The other stuff I mostly
play with for amusement. But hey, nothing frivolous in amusement!