Thanks for that! Only a little thing, but I was getting very confused. -A.
On Jun 9, 12:01 am, Jason Bandlow <jband...@gmail.com> wrote: > Alasdair wrote: > > This is more of a python question than a Sage question, but > > anyway...I'm trying to iterate over a list, producing a sequence of > > new lists, each of which is obtained from the original list by > > deleting one object. I've tried: > > > for x in lst: > > lstc=copy(lst) > > print lstc.remove(x) > > > But this doesn't work - can anybody tell me what I'm doing wrong, and > > what I should be doing? I can get the effect I want by iterating over > > the indices of the list, but I'd like to know why this little snippet > > of code doesn't work. > > The problem is that > > lstc.remove(x) > > modifies lstc in place and doesn't return anything. So you aren't > printing anything. The following should do what you want: > > for x in lst: > lstc = copy(lst) > lstc.remove(x) > print lstc > > HTH, > Jason --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sage-support" group. To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support?hl=en -~----------~----~----~----~------~----~------~--~---
