1 class C: 2 class D: 3 class E: 4 def m(self, x): 5 self.x = x 6 l = self.x.__len__ 7 s = self.o 8 return self.o.__len__ 9 n = 123 10 o = "123" 11 p = "456" 12 13 def main(): 14 c = C 15 d = C.D 16 e = C.D.E 17 f = C.D.E.m 18 g = C.D.E.n 19 h = C.D.p 20 i = C.D.p.__len__ 21 inst = e() 22 method = inst.m 23 return method("5") 24 25 result1 = main() 26 c = C 27 d = C.D 28 e = C.D.E 29 f = C.D.E.m 30 g = C.D.E.n 31 h = C.D.p 32 i = C.D.p.__len__ 33 inst = e() 34 method = inst.m 35 result2 = method("5")