1 #!/usr/bin/env python 2 3 a = 1 4 b = 20 5 l = range(a, b) 6 7 result1_19 = len(l) 8 result_1 = l[0] 9 result2_19 = l[-1] 10 11 # vim: tabstop=4 expandtab shiftwidth=4