On Wed, Apr 23, 2008 at 9:08 PM, Alex Martelli <[EMAIL PROTECTED]> wrote:
> On Wed, Apr 23, 2008 at 6:47 PM, Guido van Rossum <[EMAIL PROTECTED]> > wrote: > > On Wed, Apr 23, 2008 at 1:56 PM, Nicholas T <[EMAIL PROTECTED]> wrote: > > > > > It's obvious how to use LC's to replace map and filter, but what > about > > > reduce? It is one of my favorite functions. > > > > > > >>> time=1901248 > > > >>> reduce(lambda a, b: a[:-1] + [a[-1]%b, math.floor(a[-1]/b)], > [[time], > > > 60, 60, 24]) > > > [28, 7.0, 0.0, 22.0] # secs, mins, hrs, days > > > > I recommend learning how to use a good old for-loop. That example is > > as cryptic as can be. It's also inefficient due to calling a function > > for each iteration. > > I normally frown on "me too" posts, but this time I won't refrain from > a loud "hear, hear!". "Clever" code is NOT a culturally positive trait > in the Python community (differently from most language communities... > and this is in fact one reason I love Python). > > Alex > It wasn't only posted to be cryptic, it's one thing that's difficult to write with a for loop without a lot of verbosity (at least I couldn't figure out how to do it...). Nicholas
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