[Tutor] Alternative to nested loops

[Alan Gauld]

> interesting.  I've never done any functional programming at all, so it
> all seems a little foreign!
>
> Can you recommend another gentle introduction?  

Try the functional programming topic in the Advanced section of my tutor. 
It covers the concepts and how to do it in Python at the basic level.

Covers amonst other things, reduce, lambdas and list comps too.

Alan G
Author of the learn to program web tutor
http://www.freenetpages.co.uk/hp/alan.gauld