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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 absent(name, auth=None, **kwargs):
    '''
    Ensure group does not exist

    name
        Name of the group

    domain
        The name or id of the domain
    '''
    ret = {'name': name,
           'changes': {},
           'result': True,
           'comment': ''}

    kwargs = __utils__['args.clean_kwargs'](**kwargs)

    __salt__['keystoneng.setup_cloud'](auth)

    kwargs['name'] = name
    group = _common(kwargs)

    if group:
        if __opts__['test'] is True:
            ret['result'] = None
            ret['changes'] = {'id': group.id}
            ret['comment'] = 'Group will be deleted.'
            return ret

        __salt__['keystoneng.group_delete'](name=group)
        ret['changes']['id'] = group.id
        ret['comment'] = 'Deleted group'

    return ret