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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 remove_port_callback(self, port, cb):
 """Remove a callback for data that comes on a specific port"""

        logger.debug('Removing callback on port [%d] to [%s]', port, cb)
        for port_callback in self.cb:
            if port_callback.port == port and port_callback.callback == cb:
                self.cb.remove(port_callback)