#!/usr/bin/python #python 2.7.3
class Person:
	
	population = 0 # class variable
	
	def __init__(self, name):
		self.name  = name
		print '(Initializing %s)'% self.name
		Person.population += 1
	
	def __del__(self):
		print "%s says bye." % self.name
		Person.population -= 1
		if Person.population == 0: 
			print "I am the last one"
		else:
			print 'There are %d more people.' % Person.population
	
zaky = Person('mithilesh') # If zaky is changed to z, za or zak, program runs without Exception AttributeError: "'NoneType' object has no attribute
aakash = Person('aakash')