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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def handle_feedback(self, pkt):
 """This part of the protocol is used by IRAF to erase a frame in the framebuffers. """

        self.logger.debug("handle feedback")
        self.frame = self.decode_frameno(pkt.z & 0o7777) - 1

        # erase the frame buffer
        self.server.controller.init_frame(self.frame)
        self.server.controller.set_frame(self.frame)