Description

P1: 'Override speak()' → class Cat(Animal): def ___(self): return 'Meow!' [speak]. P2: 'Polymorphic function' → def make_sound(animal): print(animal.___()) [speak] → works with Dog, Cat, Bird. P3: 'Operator overloading __add__' → class Money: def __add__(self, other): return Money(self.amount + othe

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