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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 get_firmware(self):
 """ Gets the installed firmware for a logical interconnect. Returns: dict: LIFirmware. """

        firmware_uri = self._helper.build_subresource_uri(self.data["uri"], subresource_path=self.FIRMWARE_PATH)
        return self._helper.do_get(firmware_uri)