#!/usr/bin/evn python#coding:utf8class Pizza(object):    def prepare(self, type):        print 'prepare {type} pizza'.format(type=type)    def bake(self, type):        print 'bake {type} pizza'.format(type=type)    def cut(self, type):        print 'cut {type} pizza'.format(type=type)    def box(self, type):        print 'box {type} pizza'.format(type=type)class CheesePizza(Pizza):    def __init__(self):        self.name = "cheese pizza"class ClamPizza(Pizza):    def __init__(self):        self.name = "clam pizza"class VeggiePizza(Pizza):    def __init__(self):        self.name = "viggie pizza"class SimplePizzaFactory(object):    def create_pizza(self, type):        pizza = None        if type == "cheese":            pizza = CheesePizza()        elif type == "clam":            pizza = ClamPizza()        elif type == "veggie":            pizza = VeggiePizza()        return pizzaclass PizzaStore(object):    def __init__(self, factory):        self.factory = factory    def order_pizza(self, type):        pizza = self.factory.create_pizza(type)        pizza.prepare(type)        pizza.bake(type)        pizza.cut(type)        pizza.box(type)        return pizzaif __name__ == '__main__':    store = PizzaStore(SimplePizzaFactory())    pizza = store.order_pizza('cheese')    print pizza.name    pizza = store.order_pizza('clam')    print pizza.name    pizza = store.order_pizza('veggie')    print pizza.name