[Tutor] working with multiple sets
Alan Gauld
alan.gauld at btinternet.com
Wed Sep 9 08:36:42 CEST 2009
"Lie Ryan" <lie.1296 at gmail.com> wrote
>>> for key, value in sets.items():
>>> for element in value:
> try:
> lookup[element] = lookup[element].append(key)
This has the same flaw as mine. it nneeds to be
lookup[element].append(key)
ie no assignment, othewise you just get None stored...
HTH,
--
Alan Gauld
Author of the Learn to Program web site
http://www.alan-g.me.uk/
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