isPrime works but UnBoundLocalError when mapping on list

Terry Reedy tjreedy at udel.edu
Tue Jul 15 23:00:48 CEST 2008



Andreas Tawn wrote:

> I think a better explanation is that in your original function, x only
> existed while the for loop was running. As soon as execution hit the
> break statement, x ceased to exist.

Wrong.  For loop variables continue after the loop exits.  This is 
intentional.  Mensanator gave the correct explanation (loop never enters 
for nbr==1).




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