lambda fctions & local variables

John Lehmann jlehmann at nsw.bigpond.net.au
Mon Feb 28 14:15:57 CET 2000


Do you want something like this?

def find(pattern,list):
     return filter(lambda x, p = pattern: match(p, x), list)


Frantisek Kvapil wrote:
> 
> Hello,
> 
> I have some matching function:
> def match(pattern,value):
>     return len(pattern)==len(value)
> 
> and some finding function:
> def find(pattern,list):
>     return filter(lambda x: match(pattern,x),list)
> 
> but the problem is that the lambda function don't know
> local variable pattern,
> 
> so may you be so nice to tell me how to make it works
> (still using lambda functions if possible)
> 
> thanks and have nice day
> 
> Frantisek Kvapil



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