#!/usr/bin/env python

class Bird(object):
  feather=True

class Chicken(Bird):
  fly=False
  def __init__(self,age):
    self.age=age
  possible_in_kFC=True

chick=Chicken(2)

print(Bird.__dict__)
print(Chicken.__dict__)
print(chick.__dict__)

chick.__dict__['age']=3
print(chick.__dict__['age'])

chick.age=10
print(chick.age)
