On Tue, Aug 10, 2010 at 11:11 AM, Hugo Arts <hugo.yo...@gmail.com> wrote: > On Tue, Aug 10, 2010 at 9:59 AM, bob gailer <bgai...@gmail.com> wrote: >> On 8/10/2010 10:42 AM, Bill Allen wrote: >>> >>> Bob, >>> >>> I was really off on that algorithm and had way over complicated it. >>> I have it working correctly now, but for the sake of those who saw my >>> earlier really botched code, here is the resultant code that works. >>> The entire inner loop and intermediate variables are removed, but >>> shown commented out. I had somehow thought I needed to read each >>> member of each subarray in individually. That was not the case and >>> that inner loop was overwriting the array. >>> >>> # reads one line at a time from file and puts data into array >>> for line in textf: >>> #tempwords = line.split(None) >>> #for n in range(0, len(room)-1): >>> # roomx[n] = tempwords[n] >>> #room[m] = roomx >>> room[m] = line.split(None) >>> m += 1 >>> >>> >> >> Great. Good work. Teach a man to fish? >> >> Now for the refinements. First you can use enumerate to obtain the room >> index: >> >> for m, line in enumerate(textf): >> room[m] = line.split(None) >> >> >> Second you can start with an empty list and append: >> >> rooms = [] >> for line in textf: >> rooms.append(line.split(None)) >> >> Third you can use list comprehension: >> >> rooms = [line.split(None) for line in textf] >> > > Nice going, this is the best way of getting your answer from the > tutors list IMO, high fives all around. I wish more threads went like > this. > > You don't actually have to specify the None in line.split AFAIK, but > it might be better to be explicit. thoughts on this, anyone? > > Hugo >
Hugo, I had wondered about the use of None in that context. I had seen it used that way in some examples and just followed suit. Just do line.split() ? Bill _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
