cats_and_dogs.py
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			#!/usr/bin/env python3


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

			def __del__(self):
			pass


			class Dog(Animal):

			# the constructor needs to call the parent one
			def __init__(self, args, *kwargs):
			super().__init__(args, *kwargs)

			def __del__(self):
			super().__del__()

			def scream(self):
			print('OUAFF')


			class Cat(Animal):

			# the constructor needs to call the parent one
			def __init__(self, args, *kwargs):
			super().__init__(args, *kwargs)

			def __del__(self):
			super().__del__()

			def scream(self):
			print('MIAOU')


			d = Dog('puppy')
			print(d.name)
			d.scream()

			c = Cat()
			print(c.name)
			c.scream()

R7571/lectures/code_snippets/cats_and_dogs.pybbdd3eea29b9branchT