Mario and Kuribo on Factroy Method Pattern

gistfile1.txt

class Chara:
  def __init__(self):
    self.__cs = []

  def add(self, c):
    self.__cs.append(c)

  def draw(self) :
    pass

  def drawAll(self):
    for c in self.__cs:
        c.draw()

class Mario(Chara):
  def draw(self):
    print("マリオ")

class Kuribo(Chara):
  def draw(self):
    print("クリボ")

class Factory:
  def create(self):
    return self.createChara()

  def createChara(self):
    pass

class MarioFactory(Factory):
  def createChara(self):
    return Mario()

class KuriboFactory(Factory):
  def createChara(self):
    return Kuribo()

chara = Chara()
chara.add(MarioFactory().create())
chara.add(KuriboFactory().create()) 
chara.drawAll()