Thanks, but I am restricted to using 2.3.4 for now, so
longest = max([len(x) for x in ll]) works for me On 12/28/06, Andreas Kostyrka <[EMAIL PROTECTED]> wrote:
* Python <[EMAIL PROTECTED]> [061228 20:44]: > On Thu, 2006-12-28 at 11:27 -0800, Tony Cappellini wrote: > > > > > > I want to use a list comp to get the length of the longest string in a > > list, but can't quite get the syntax right. > > > > l1=['abc', 'abcde', 'abcfdtea'] > > > > longest=0 > > [x for x in l1 if len(x) > longest] > > Use max to get the longest > > longest = max([len(x) for x in ll]) > > With versions >= 2.4 you can omit the [] With 2.5 you can even do stuff like that: >>> x=[range(5), range(3), range(7)] >>> max(x, key=lambda i: len(i)) [0, 1, 2, 3, 4, 5, 6] >>> Andreas
_______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
