#!/usr/bin/python

#This is a 'new-style' class
class Bird(object):
	def tweet(self):
		print "tweet tweet!"
	
	def fly(self):
		print "wheee!"

class Duck(Bird):
	def waddle(self):
		print "waddle waddle"
	
	#let's override the tweet:
	def tweet(self):
		print "quack"

#Try using this from the interactive prompt