Thanks very much for the advice, have tidied it up and tested and seems to be working as needed. I'm still not sure what was stopping the inner loop from working earlier - but removing the redundancy in "j=0" and so on seems to have solved it.
Matt Dennis Lee Bieber wrote: > If that worked, you've got some weird code -- and it isn't what was > posted... Zeroing "j" does NOTHING, since the for loop assigns all > values to it, from 0..n-1 > > for loop indices do not need to be pre-initialized. -- http://mail.python.org/mailman/listinfo/python-list
