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From: Paul Rubin <no.email@nospam.invalid>
Newsgroups: comp.lang.python
Subject: Re: Is there an idiom for this?
Date: Thu, 24 Dec 2015 14:15:33 -0800
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KP <kai.peters@gmail.com> writes:
> for config in cfg: 
>     if config != 'c': 
>         print config 
>
> Is there an idiom that combines the 'for...' & the 'if..' lines into one? 

Maybe you actually want

  print [config for config in cfg if config != 'c']

That prints all the relevant keys as a list, rather than one per line.