Printing dict value for possibly undefined key

[duncan smith]

On 24/11/2023 14:31, Loris Bennett wrote:
> Hi,
> 
> I want to print some records from a database table where one of the
> fields contains a JSON string which is read into a dict.  I am doing
> something like
> 
>    print(f"{id} {d['foo']} {d['bar']}")
> 
> However, the dict does not always have the same keys, so d['foo'] or
> d['bar'] may be undefined.  I can obviously do something like
> 
>    if not 'foo' in d:
>      d['foo']="NULL"
>    if not 'bar' in d:
>      d['bar']="NULL"
>    print(f"{id} {d['foo']} {d['bar']}")
> 
> Is there any more compact way of achieving the same thing?
> 
> Cheers,
> 
> Loris
> 

Yes. e.g.

d.get('foo', "NULL")

Duncan