On Jul 28, 1:26 am, ssecorp <[EMAIL PROTECTED]> wrote: > I might be misunderstanding OP but: > > a+b+c+d+e is simple way of concatenating 5 lists... > > as a function that takes any amount of lists and concatenates them: > def concat(*args): > c = [] > for elem in args: > c += elem > return c > > don't know if extend is faster or slower or the same as + : > > def concat(*args): > c = [] > for elem in args: > c.extend(elem) > return c > > I don't know of a built-in.
Just to infuriate the OP even further, here's the list comprehension version :) >>> def concat(*args): ... return [elem for arg in args for elem in arg] Hope this helps! -- http://mail.python.org/mailman/listinfo/python-list
