Learning Python via a little word frequency program

[Mike Meyer]

On 11 Jan 2008 03:50:53 -0800 Paul Rubin <"http://phr.cx"@NOSPAM.invalid> wrote:

> rent <rentlong at gmail.com> writes:
> > keys = freq.keys()
> > keys.sort(key = freq.get, reverse = True)
> > for k in keys:
> >      print "%-10s: %d" % (k, freq[k])
> 
> I prefer (untested):
> 
>   def snd((x,y)): return y   # I wish this was built-in

What's wrong with operator.itemgetter?

>   sorted_freq = sorted(freq.iteritems(), key=snd, reverse=True)

(still untested)

from operator import itemgetter
sorted_freq = sorted(freq.iteritems(), key=itemgetter(2), reverse=True)

    <mike

-- 
Mike Meyer <mwm at mired.org>		http://www.mired.org/consulting.html
Independent Network/Unix/Perforce consultant, email for more information.