1 #!/usr/bin/env python 2 3 class C: 4 def f(self): 5 return self.x 6 7 class D(C): 8 def __init__(self): 9 self.x = 456 10 11 d = D() 12 result_456 = d.f() 13 14 # vim: tabstop=4 expandtab shiftwidth=4