On 4월20일, 오전10시16분, Chris Rebert <c...@rebertia.com> wrote: > On Mon, Apr 19, 2010 at 6:00 PM, knifenomad <knifeno...@gmail.com> wrote: > > i know it's not very hard to get that solution. > > just by implementing simple function like below. > > > def partition(target, predicate): > > """ > > split a list into two partitions with a predicate > > provided. > > any better ideas? :) > > """ > > true = [] > > false= [] > > for item in target: > > if predicates(item): > > true.append(item) > > else: > > false.append(item) > > return true, false > > > but i wonder if there's another way to do this with standard libraries > > or .. built-ins. > > if it's not, i'd like the list objects to have partition method like > > string module has. > > (A) str.partition() has a /completely/ different meaning from your partition() > (B) You'd probably have better luck getting it added to the itertools > module since the concept is applicable to all iterables. > [http://docs.python.org/library/itertools.html] > > Cheers, > Chris > --http://blog.rebertia.com
yep, my mistake. i shouldn't have compared it to string's partition(). i just wanted that convenience string.partition() has as a built-in. anyway, thanks for itertools. :) -- http://mail.python.org/mailman/listinfo/python-list
