Now everyone told you *what* is it, I'll (very very dumbly) answer the question : this syntax comes from Haskell.Where did this type of structure come from:
mat = ['a' for i in range(3)] ?
This will produce a list of three elements but I don't see reference for it in any of the books.
HTH !-) Bruno -- http://mail.python.org/mailman/listinfo/python-list
