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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 config_default(dest):
 """ Create a default configuration file. \b DEST: Path or file name for the configuration file. """

    conf_path = Path(dest).resolve()
    if conf_path.is_dir():
        conf_path = conf_path / LIGHTFLOW_CONFIG_NAME

    conf_path.write_text(Config.default())
    click.echo('Configuration written to {}'.format(conf_path))