John Yeung schreef: > Essentially, if you see [B A] over and over and over again, when > finally confronted with LCs of more "elements", it's not immediately > clear that the pattern of increasing nestedness is > > [B A] => [C A B] => [D A B C] => etc. > > rather than > > [B A] => [C B A] => [D C B A] => etc. > > Maybe we're wired wrong, but there are many of us who find the second > pattern more logical, which is why it is so easy for us to mess up the > order of the nesting in a more complex LC.
Indeed, that is exactly the reason why I find it difficult to read nested loop comprehensions, and why I almost never use them. -- The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom. -- Isaac Asimov Roel Schroeven -- http://mail.python.org/mailman/listinfo/python-list
