>i just want to generate numbers in the form like: > >1,2,4,8,16,32.....to a maximum of 1024 >using a range function >>> a = [2**x for x in range(11)] >>> a [1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024] Cheers, Andreas Tawn Lead Technical Artist Ubisoft Reflections -- http://mail.python.org/mailman/listinfo/python-list