Strategy Pattern Blog: Code Snippets

example_1.py

class Duck(object):
	def quack():
		print "Quack! Quack!"

	def swim():
		print "Yaay I am swimming!"

	def display():
		raise NotImplementedError

class MallardDuck(Duck):
	def display():
		print "I look like a Mallard"

class RedheadDuck(Duck):
	def display():
		print "I look like a Redhead"