Thanks for the reply,I got it. On 6 25 , 9 19 , Paul Rubin <http://[EMAIL PROTECTED]> wrote: > Aldarion <[EMAIL PROTECTED]> writes: > > how to sorted by summed itemgetter(1)? > > maybe sorted(items,key = lambda x:sum(x[1])) > > can't itemgetter be used here? > > You really want function composition, e.g. > > sorted(items, key=sum*itemgetter(1)) > > where * is a composition operator (doesn't exist in Python). > > You could write: > > def compose(f,g): > return lambda *a,**k: f(g(*a,**k)) > > and then use > > sorted(items, key=compose(sum,itemgetter(1))) > > or spell it out inline: > > sorted(items, key=lambda x: sum(itemgetter(1)(x))) > > I'd probably do something like: > > snd = itemgetter(1) # I use this all the time > sorted(items, key=lambda x: sum(snd(x)))
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