[Tutor] Comparing two lists
michael at trollope.org
Thu Sep 16 20:27:28 CEST 2010
I have two lists.
alist = ['label', 'guid']
blist = ['column0label', 'column1label', 'dimension0guid',
I want to iterate over blist and extract the items that match my
substrings in alist; alternatively, throw out the items that aren't in
alist (but, I've had bad experiences removing items from lists "in
place," so I tend toward the "copy" motif.)
In real life, blist column entries could have embedded column numbers
from 0 to 19.
I can do this with excrutiatingly painful 'for' loops. Looking for
something more efficient and elegant.
Michael Powe michael at trollope.org Naugatuck CT USA
"The secret to strong security: less reliance on secrets."
-- Whitfield Diffie
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