class Person:
    def __init__(self):
        print("Person!")

    def walk(self):
        print("Walk")

    def quack(self):
        print("\"Quock!\"")

class Person:
    def __init__(self):
        print("Person!")

    def walk(self):
        print("Walk")

    def quack(self):
        print("\"Quock!\"")
