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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 read_and_translate(translator: inference.Translator, output_handler: OutputHandler, chunk_size: Optional[int], input_file: Optional[str] = None, input_factors: Optional[List[str]] = None, input_is_json: bool = False) -> None: """ Reads from either a file or stdin and translates each line, calling the output_handler with the result. :param output_handler: Handler that will write output to a stream. :param translator: Translator that will translate each line of input. :param chunk_size: The size of the portion to read at a time from the input. :param input_file: Optional path to file which will be translated line-by-line if included, if none use stdin. :param input_factors: Optional list of paths to files that contain source factors. :param input_is_json: Whether the input is in json format. """

    batch_size = translator.max_batch_size
    if chunk_size is None:
        if translator.max_batch_size == 1:
            # No batching, therefore there is not need to read segments in chunks.
            chunk_size = C.CHUNK_SIZE_NO_BATCHING
        else:
            # Get a constant number of batches per call to Translator.translate.
            chunk_size = C.CHUNK_SIZE_PER_BATCH_SEGMENT * translator.max_batch_size
    else:
        if chunk_size < translator.max_batch_size:
            logger.warning("You specified a chunk size (%d) smaller than the max batch size (%d). This will lead to "
                           "a reduction in translation speed. Consider choosing a larger chunk size." % (chunk_size,
                                                                                                         batch_size))

    logger.info("Translating...")

    total_time, total_lines = 0.0, 0
    for chunk in grouper(make_inputs(input_file, translator, input_is_json, input_factors), size=chunk_size):
        chunk_time = translate(output_handler, chunk, translator)
        total_lines += len(chunk)
        total_time += chunk_time

    if total_lines != 0:
        logger.info("Processed %d lines. Total time: %.4f, sec/sent: %.4f, sent/sec: %.4f",
                    total_lines, total_time, total_time / total_lines, total_lines / total_time)
    else:
        logger.info("Processed 0 lines.")