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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 _verified_frame_length(frame_length, content_type):
 # type: (int, ContentType) -> int """Verify a frame length value for a message content type. :param int frame_length: Frame length to verify :param ContentType content_type: Message content type to verify against :return: frame length :rtype: int :raises SerializationError: if frame length is too large :raises SerializationError: if frame length is not zero for unframed content type """

    if content_type == ContentType.FRAMED_DATA and frame_length > MAX_FRAME_SIZE:
        raise SerializationError(
            "Specified frame length larger than allowed maximum: {found} > {max}".format(
                found=frame_length, max=MAX_FRAME_SIZE
            )
        )

    if content_type == ContentType.NO_FRAMING and frame_length != 0:
        raise SerializationError("Non-zero frame length found for non-framed message")

    return frame_length