"Lie Ryan" <lie.1...@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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