Osemeka Osuagwu wrote:
templist = templist.append(prime)
The append method operates in place, and returns None. It doesn't return a list: py> mylist = [] py> x = mylist.append(42) py> x is None True py> mylist [42] Replace that line with just templist.append(prime) -- Steven _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor