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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 cli(ctx, config_file, profile, endpoint_url, output, color, debug):
 """ Alerta client unified command-line tool. """

    config = Config(config_file)
    config.get_config_for_profle(profile)
    config.get_remote_config(endpoint_url)

    ctx.obj = config.options

    # override current options with command-line options or environment variables
    ctx.obj['output'] = output or config.options['output']
    ctx.obj['color'] = color or os.environ.get('CLICOLOR', None) or config.options['color']
    endpoint = endpoint_url or config.options['endpoint']

    ctx.obj['client'] = Client(
        endpoint=endpoint,
        key=config.options['key'],
        token=get_token(endpoint),
        username=config.options.get('username', None),
        password=config.options.get('password', None),
        timeout=float(config.options['timeout']),
        ssl_verify=config.options['sslverify'],
        debug=debug or os.environ.get('DEBUG', None) or config.options['debug']
    )