Re: [libgpiod][PATCH 1/2] bindings: python: examples: fix potential glitch in gpioset.py

[Andy Shevchenko <andy.shevchenko@xxxxxxxxx>]

On Mon, Jun 12, 2023 at 5:26 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
> On Fri, Jun 9, 2023 at 10:19 PM <andy.shevchenko@xxxxxxxxx> wrote:
> > Fri, Jun 09, 2023 at 11:36:06PM +0800, Kent Gibson kirjoitti:

...

> > > +    config = dict([(l, settings(v)) for (l, v) in lvs])
> >
> > Aren't [] not needed?
>
> This is a list comprehension used to create the dictionary. Think:
>
> >>> config = dict([(1, 2), (3, 4)])
> >>> config
> {1: 2, 3: 4}

Think about it in dynamic:

In [1]: x= [(1,2),(2,4)]
In [2]: dict((a,b)for a,b in x)
Out[2]: {1: 2, 2: 4}

[] are redundant, so I remembered that correctly :-)


-- 
With Best Regards,
Andy Shevchenko