#!/usr/bin/env pythonclass Processor:    def __init__(self, processor):        self.processor = processor            def isAllowSend(self, message, setChargeFlag):        passclass WhildListProcessor(Processor):    def isAllowSend(self, message, setChargeFlag):        if message.sender in (1,2):            return True                if self.processor != None:            return self.isAllowSend(message, setChargeFlag)class DateProcessor(Processor):    def isAllowSend(self, message, setChargeFlag):        if message.date > "20130101":            return False                if self.processor != None:            return self.isAllowSend(message, setChargeFlag)           class DefaltProcessor:    def isAllowSend(self, message, setChargeFlag):        setChargeFlag(message)        return True    def getProcessor():    return WhildListProcessor(DefaltProcessor(None))class Message:    def __init__(self, sender, ):        self.sender   = sender        self.isSend   = False        self.isCharge = Falsedef setChargeFlag(message):    message.isCharge = Truedef setSendFlag(message):    message.isSend = Truedef run(self):    message = Message(10)    processor = getProcessor()    if (processor.isAllowSend(message, setChargeFlag)):        setSendFlag(message)