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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 shell(args=None, error=True):
 """Endpoint for console. Parse a command arguments, configuration files and run a checkers. :return list: list of errors :raise SystemExit: """

    if args is None:
        args = sys.argv[1:]

    options = parse_options(args)
    setup_logger(options)
    LOGGER.info(options)

    # Install VSC hook
    if options.hook:
        from .hook import install_hook
        for path in options.paths:
            return install_hook(path)

    return process_paths(options, error=error)