human
Solve the following python programming problem given the following code:
@cli.command(context_settings=dict(ignore_unknown_options=True))
@click.help_option('-h', '--help')
@click.argument('cmd', nargs=1, type=click.Choice(['list', 'enable', 'disable', 'install', 'uninstall']))
@click.argument('params', nargs=(-1))
def mod(cmd, params):
assistant
#Here is the Python program you requested.

    """Mod management command
    rqalpha mod list
    rqalpha mod install xxx
    rqalpha mod uninstall xxx
    rqalpha mod enable xxx
    rqalpha mod disable xxx
    """
    def list(params):
        '\n                                List    all    mod    configuration\n                                '
        from colorama import init, Fore
        from tabulate import tabulate
        init()
        mod_config_path = get_mod_config_path(generate=True)
        mod_config = load_mod_config(mod_config_path, loader=yaml.Loader)
        table = []
        for (mod_name, mod) in six.iteritems(mod_config['mod']):
            table.append([(Fore.RESET + mod_name), (((Fore.GREEN + 'enabled') + Fore.RESET) if mod['enabled'] else ((Fore.RED + 'disabled') + Fore.RESET))])
        headers = [(Fore.CYAN + 'name'), ((Fore.CYAN + 'status') + Fore.RESET)]
        six.print_(tabulate(table, headers=headers, tablefmt='psql'))
        six.print_((Fore.LIGHTYELLOW_EX + 'You    can    use    `rqalpha    mod    list/install/uninstall/enable/disable`    to    manage    your    mods'))
    def install(params):
        '\n                                Install    third-party    Mod\n                                '
        from pip import main as pip_main
        from pip.commands.install import InstallCommand
        params = [param for param in params]
        (options, mod_list) = InstallCommand().parse_args(params)
        params = (['install'] + params)
        for mod_name in mod_list:
            mod_name_index = params.index(mod_name)
            if mod_name.startswith('rqalpha_mod_sys_'):
                six.print_('System    Mod    can    not    be    installed    or    uninstalled')
                return
            if ('rqalpha_mod_' in mod_name):
                lib_name = mod_name
            else:
                lib_name = ('rqalpha_mod_' + mod_name)
            params[mod_name_index] = lib_name
        installed_result = pip_main(params)
        mod_config_path = get_mod_config_path(generate=True)
        mod_config = load_mod_config(mod_config_path, loader=yaml.Loader)
        if (installed_result == 0):
            if (len(mod_list) == 0):
                '\n                 ...