class CaptchaImage:
    def queue(self,arr=list()):
        return arr

    def InsertCode(self,code):
        self.queue().append(code)


if __name__=='__main__':
    c = CaptchaImage()
    c.InsertCode(1)

    b=CaptchaImage()
    b.InsertCode(2)

    print(b.queue())
    print(c.queue())


#//python/7366