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#!/usr/bin/python
#coding=UTF-8
class Person:
'''Represents a person.'''
population = 0
def __init__(self, name):
'''Initializes the person's data.'''
self.name = name
print '(Initializing %s)' % self.name
Person.population += 1
def __del__(self):
'''I am dying'''
print '%s syas bye.' % self.name
Person.population -= 1
if Person.population == 0:
print 'I am the last one.'
else:
print 'There are still %d people left.' % \
Person.population
def sayHi(self):
'''Greeting by the person.
Really, that's all it does'''
print 'Hi, my name is %s.' % self.name
def howMany(self):
'''Prints the current population'''
if Person.population == 1:
print "I am the only person here"
else:
print 'We have %d persons here.' % Person.population
luolei = Person('luolei')
luolei.sayHi()
luolei.howMany()
xiaoming = Person('Xiao Ming')
xiaoming.sayHi()
xiaoming.howMany()
luolei.sayHi()
luolei.howMany()
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