filter2

[Fernando Pérez]

Oleg Broytmann wrote:

>    I want to have new python builtin - filter2. It is exactly like filter,
> but it returns also a list of items that didn't pass the test.
> 

Why not instead propose that a new keyword parameter be added to filter? 
Something like filter(fn,seq,rejected=1) which would then behave as you want 
it? By default, rejected would be false and the current behavior would be 
maintained. This sounds like somehting you could put in a pep quickly.

f.