[Tutor] if ... else shorthand form ?

[Tiago Saboga]

On Sat, Feb 09, 2008 at 09:21:41AM +0000, dave selby wrote:
> Hi all,
> 
> Returning to python after a brief affair with C++, I have the following code ...
> 
>                 if (items.has_keys('snapshot_interval')):
>                     self.snap_init[i] = items['snapshot_interval']
>                 else:
>                     self.snap_init[i] = 0
> 
> I thought Python had a shorthand version of something like ....
> 
>                 self.snap_init[i] =
> (items.has_keys('snapshot_interval'))?items['snapshot_interval']:0

self.snap_init[1] = items.get('snapshot_interval', 0)

Or, if you also want to set the value on items,

...               = items.setdefault('snapshot_interval', 0)

[]s

Tiago.