On May 22, 7:21 pm, "Joel Koltner" <zapwireDASHgro... at yahoo.com> wrote: > Is there an easy way to get a list comprehension to produce a flat list of, > say, [x,2*x] for each input argument? > > E.g., I'd like to do something like: > > [ [x,2*x] for x in range(4) ] [x * i for x in xrange(4) for i in xrange(1, 3)] -- Paul Hankin