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From: Mark Lawrence <breamoreboy@yahoo.co.uk>
Newsgroups: comp.lang.python
Subject: Re: filter a list of strings
Date: Thu, 3 Dec 2015 12:28:07 +0000
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On 03/12/2015 01:15, c.buhtz@posteo.jp wrote:
> I would like to know how this could be done more elegant/pythonic.
>
> I have a big list (over 10.000 items) with strings (each 100 to 300
> chars long) and want to filter them.
>
> list = .....
>
> for item in list[:]:
>    if 'Banana' in item:
>       list.remove(item)
>    if 'Car' in item:
>       list.remove(item)
>
> There are a lot of more conditions of course. This is just example code.
> It doesn't look nice to me. To much redundance.

targets = ['Banana', 'Car'...]
for item in list[:]:
     for target in targets:
         if target in item:
             list.remove(item)

>
> btw: Is it correct to iterate over a copy (list[:]) of that string list
> and not the original one?
>

Absolutely :)

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence