Replacing words from strings except 'and' / 'or' / 'and not'

[Peter Maas]

Diez B. Roggisch schrieb:
> import sets
> KEYWORDS = sets.Set(['and', 'or', 'not'])
> 
> query = "test and testing and not perl or testit or example"
> 
> def decorate(w):
>     if w in KEYWORDS:
>         return w
>     return "*%s*" % w
> 
> query = " ".join([decorate(w.strip()) for w in query.split()])

Is there a reason to use sets here? I think lists will do as well.

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Peter Maas,  M+R Infosysteme,  D-52070 Aachen,  Tel +49-241-93878-0
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