Chapter 19: Polymorphism Polymorphism allows objects of different classes to be treated as objects of a common super class. Example Python 1 2 3 4 5 6 7 8 9 10 11class Cat: def speak(self): return "Meow" class Dog: def speak(self): return "Woof" animals = [Cat(), Dog()] for animal in animals: print(animal.speak())