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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 serve( files, immutable, host, port, debug, reload, cors, sqlite_extensions, inspect_file, metadata, template_dir, plugins_dir, static, memory, config, version_note, help_config, ):
 """Serve up specified SQLite database files with a web UI"""

    if help_config:
        formatter = formatting.HelpFormatter()
        with formatter.section("Config options"):
            formatter.write_dl([
                (option.name, '{} (default={})'.format(
                    option.help, option.default
                ))
                for option in CONFIG_OPTIONS
            ])
        click.echo(formatter.getvalue())
        sys.exit(0)
    if reload:
        import hupper

        reloader = hupper.start_reloader("datasette.cli.serve")
        reloader.watch_files(files)
        if metadata:
            reloader.watch_files([metadata.name])

    inspect_data = None
    if inspect_file:
        inspect_data = json.load(open(inspect_file))

    metadata_data = None
    if metadata:
        metadata_data = json.loads(metadata.read())

    click.echo("Serve! files={} (immutables={}) on port {}".format(files, immutable, port))
    ds = Datasette(
        files,
        immutables=immutable,
        cache_headers=not debug and not reload,
        cors=cors,
        inspect_data=inspect_data,
        metadata=metadata_data,
        sqlite_extensions=sqlite_extensions,
        template_dir=template_dir,
        plugins_dir=plugins_dir,
        static_mounts=static,
        config=dict(config),
        memory=memory,
        version_note=version_note,
    )
    # Force initial hashing/table counting
    ds.inspect()
    ds.app().run(host=host, port=port, debug=debug)