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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 parse_request(self, data):
 """Deserializes and validates a request. Called by the server to reconstruct the serialized :py:class:`JSONRPCRequest`. :param bytes data: The data stream received by the transport layer containing the serialized request. :return: A reconstructed request. :rtype: :py:class:`JSONRPCRequest` :raises JSONRPCParseError: if the ``data`` cannot be parsed as valid JSON. :raises JSONRPCInvalidRequestError: if the request does not comply with the standard. """

        if isinstance(data, bytes):
            data = data.decode()

        try:
            req = json.loads(data)
        except Exception as e:
            raise JSONRPCParseError()

        if isinstance(req, list):
            # batch request
            requests = JSONRPCBatchRequest()
            for subreq in req:
                try:
                    requests.append(self._parse_subrequest(subreq))
                except RPCError as e:
                    requests.append(e)
                except Exception as e:
                    requests.append(JSONRPCInvalidRequestError())

            if not requests:
                raise JSONRPCInvalidRequestError()
            return requests
        else:
            return self._parse_subrequest(req)