#!/usr/bin/env python

class Greeter:

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

	def greet(self, loud=False):
		if loud:
			print 'Hello, %s!' % self.name.upper()
		else:
			print 'Hello, %s' % self.name


g = Greeter('Fred')
g.greet()
g.greet(loud=True)