1 #!/usr/bin/env python 2 3 def f(a, b): 4 a += b 5 return a 6 7 a = 1 8 b = 2 9 a += b 10 result_3 = a 11 result_4 = f(b, 2) 12 result_2 = b 13 14 # vim: tabstop=4 expandtab shiftwidth=4