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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 export(path=None, user_content=False, context=None, username=None, password=None, render_offline=False, render_wide=False, render_inline=True, out_filename=None, api_url=None, title=None, quiet=False, grip_class=None):
 """ Exports the rendered HTML to a file. """

    export_to_stdout = out_filename == '-'
    if out_filename is None:
        if path == '-':
            export_to_stdout = True
        else:
            filetitle, _ = os.path.splitext(
                os.path.relpath(DirectoryReader(path).root_filename))
            out_filename = '{0}.html'.format(filetitle)

    if not export_to_stdout and not quiet:
        print('Exporting to', out_filename, file=sys.stderr)

    page = render_page(path, user_content, context, username, password,
                       render_offline, render_wide, render_inline, api_url,
                       title, None, quiet, grip_class)

    if export_to_stdout:
        try:
            print(page)
        except IOError as ex:
            if ex.errno != 0 and ex.errno != errno.EPIPE:
                raise
    else:
        with io.open(out_filename, 'w', encoding='utf-8') as f:
            f.write(page)