# -*- coding: utf-8 -*-
from __future__ import unicode_literals

from django.db import models


class Group (models.Model):
    def add(self):
        pass
    
    def delete(self):
        pass
    
    def delete_list(self):
        pass
    
    def edit(self):
        pass
    
    def list(self):
        pass
    
    def view(self):
        pass
