[Python-Dev] Any reason that any()/all() do not take a predicateargument?

Brian Quinlan brian at sweetapp.com
Sat Apr 15 10:53:48 CEST 2006


>> seq = [1,2,3,4,5]
>> if any(seq, lambda x: x==5):
>> ...
>>
>> which is clearly more readable than
>>
>> reduce(seq, lambda x,y: x or y==5, False)
> 
> How about this?
> 
> 	if any(x==5 for x in seq):

Aren't all of these equivalent to:

if 5 in seq:
     ...

?

Cheers,
Brian



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