remove a list from a list

J. Clifford Dyer webmaster at
Mon Nov 20 20:32:16 CET 2006

Rares Vernica wrote:
> Hi,
> I have the following problem:
> I have a list like
>   e = ['a', 'b', 'e']
> and another list like
>   l = ['A', 'a', 'c', 'D', 'E']
> I would like to remove from l all the elements that appear in e
> case-insensitive. That is, the result would be
>   r = ['c', 'D']
> What is a *nice* way of doing it?
> Thanks a lot,
> Ray

if you can guarantee that e will always be made up of lowercase letters,
then you can do the following:

r = [ x for x in l if x.lower() not in e ]


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