class Animal:
    def __init__(self, name):
        self.name = name

    def describe(self):
        return f"{self.name} is an animal."

class Cat(Animal):
    def meow(self):
        return f"{self.name} says meow."

c = Cat("Milo")
print(c.describe())   # inherited: Milo is an animal.
print(c.meow())       # new: Milo says meow.