"""#!/usr/bin/python
#filename:objvar.py
class Person:
    '''Represents a person.'''
    population=0

    def __init__(self,name):
        '''Initializes the person's data.'''
        self.name=name
        print('(Initializing %s)'%self.name)

        #When this person is created, he/she
        #adds to the population
        Person.population+=1

    def __del__(self):
        '''I am dying.'''
        print('%s says 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)

swaroop=Person('Swaroop')
swaroop.sayHi()
swaroop.howMany()

kalam=Person('<NAME>')
kalam.sayHi()
kalam.howMany()

swaroop.sayHi()
"""
class Person:
    '''Represents a person'''
    population=0

    def __init__(self,name):
        '''Initializes the person's data.'''
        self.name=name
        print('(Initializing %s)'%self.name)

        # When this person is created, he/she adds to the population
        Person.population+=1

    def __del__(self):
        '''I am dying.'''
        print('%s says 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)
swaroop=Person('Swaroop')
swaroop.sayHi()
swaroop.howMany()

kalam=Person('<NAME>')
kalam.sayHi()
kalam.howMany()

swaroop.sayHi()
swaroop.howMany()

