# Author:  James Tam
# Version: October 21, 2014

# Learning concepts
# * Objects are accessed through references
# * The reference and the object are separate in memory.

class Person:
    age = 0
    name = "none"

    def __init__(self,newAge,newName):
        self.age = newAge
        self.name = newName

def displayAge(aPerson):
    print("%s age %d" %(aPerson.name,aPerson.age))

def start():
    person1 = Person(13,"Person2")
    person2 = person1
    person2.age = 888
    displayAge(person1)
    displayAge(person2)
    print()

    person1 = Person(666,"Person1")
    displayAge(person1)
    displayAge(person2)

start()