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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:
 async def send_script(self, conn_id, data):
 """Send a a script to this IOTile device Args: conn_id (int):
 A unique identifier that will refer to this connection data (bytes):
 the script to send to the device """


        self._ensure_connection(conn_id, True)
        connection_string = self._get_property(conn_id, "connection_string")

        msg = dict(connection_string=connection_string, fragment_count=1, fragment_index=0,
                   script=base64.b64encode(data))
        await self._send_command(OPERATIONS.SEND_SCRIPT, msg, COMMANDS.SendScriptResponse)