converting boolean filter function to lambda
Mark Lawrence
breamoreboy at yahoo.co.uk
Thu Jun 25 20:09:18 EDT 2015
On 26/06/2015 00:59, Chris Angelico wrote:
> On Fri, Jun 26, 2015 at 1:59 AM, Ethan Furman <ethan at stoneleaf.us> wrote:
>> My attempt at a lambda function fails:
>>
>> filter(lambda p: (p in c for c in contacts), main)
>> # ['291.792.9001', '291.792.9000']
>>
>> Besides using a lambda ;) , what have I done wrong?
>
> This looks like a job for a list comprehension!
>
> (Cue the swooping-in cape-wearing list comp, coming to save the day)
>
> ChrisA
>
In exactly the same way that swooping-in cape-wearing Greg Ewing, from
the home of 10 man rugby, had to point out to Ethan some years back what
"booted into touch" meant? :)
I've also seen Ethan refer to bowlers today, I just hope he's very
careful and doesn't get caught on the back foot. Next question from
Ethan is?
--
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.
Mark Lawrence
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