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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 translate_book(translators=(HyperlinkStyleCorrector().translate, translate_line_footnotes), book_dir=BOOK_PATH, dest=None, include_tags=None, ext='.nlpiabak', skip_untitled=True):
 """ Fix any style corrections listed in `translate` list of translation functions 3 """

    if callable(translators) or not hasattr(translators, '__len__'):
        translators = (translators,)

    sections = get_tagged_sections(book_dir=book_dir, include_tags=include_tags)
    file_line_maps = []

    for fileid, (filepath, tagged_lines) in enumerate(sections):
        logger.info('filepath={}'.format(filepath))
        destpath = filepath
        if not dest:
            copyfile(filepath, filepath + '.' + ext.lstrip('.'))
        elif os.path.sep in dest:
            destpath = os.path.join(dest, os.path.basename(filepath))
        else:
            destpath = os.path.join(os.path.dirname(filepath), dest, os.path.basename(filepath))
        ensure_dir_exists(os.path.dirname(destpath))
        with open(destpath, 'w') as fout:
            logger.info('destpath={}'.format(destpath))
            for lineno, (tag, line) in enumerate(tagged_lines):
                if (include_tags is None or tag in include_tags or
                        any((tag.startswith(t) for t in include_tags))):
                    for translate in translators:
                        new_line = translate(line)  # TODO: be smarter about writing to files in-place
                        if line != new_line:
                            file_line_maps.append((fileid, lineno, filepath, destpath, line, new_line))
                            line = new_line
                fout.write(line)
    return file_line_maps