Pythonic way of saying 'at least one of a, b, or c is in some_list'

Arnaud Delobelle arnodel at gmail.com
Thu Oct 28 20:56:48 CEST 2010


"cbrown at cbrownsystems.com" <cbrown at cbrownsystems.com> writes:

> It's clear but tedious to write:
>
> if 'monday" in days_off or "tuesday" in days_off:
>     doSomething
>
> I currently am tending to write:
>
> if any([d for d in ['monday', 'tuesday'] if d in days_off]):
>     doSomething
>
> Is there a better pythonic idiom for this situation?

The latter can be written more concisely:

    if any(d in days_off for d in ['monday', 'tuesday']):
        # do something

-- 
Arnaud



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