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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 add_send_message(self, connection, send_message):
 """Adds a send_message function to the Dispatcher's dictionary of functions indexed by connection. Args: connection (str):
 A locally unique identifier provided by the receiver of messages. send_message (fn):
 The method that should be called by the dispatcher to respond to messages which arrive via connection. """

        self._send_message[connection] = send_message
        LOGGER.debug("Added send_message function "
                     "for connection %s", connection)