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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 send_frame(self, cmd, headers=None, body=''):
 """ Encode and send a stomp frame through the underlying transport. :param str cmd: the protocol command :param dict headers: a map of headers to include in the frame :param body: the content of the message """

        frame = utils.Frame(cmd, headers, body)
        self.transport.transmit(frame)