On Fri, Mar 20, 2009 at 7:28 AM, MRAB <goo...@mrabarnett.plus.com> wrote: > Chris Rebert wrote: >> >> On Fri, Mar 20, 2009 at 4:34 AM, Alessandro Zivelonghi >> <zasaconsult...@gmail.com> wrote: >>> >>> Many Thanks guys! >>> >>> and what if I need to look ONLY into the second and third columns, >>> excluding the first item of each rows? >>> >>> for example if x = 3 I need to get [0] and not [0,1] >> >> indices = [i for i, row in enumerate(mat) if 1<= i <= 2 and 3 in row[1:]] >> > If he wants to look in only the second and third columns, but still all > the rows, surely that's: > > indices = [i for i, row in enumerate(mat) if x in row[1 : 3]]
The OP had his columns and rows mixed up in that last email, if you'll notice what he gave as his intended output. :-) Cheers, Chris -- I have a blog: http://blog.rebertia.com -- http://mail.python.org/mailman/listinfo/python-list
