new_contents: from handlers import groups
  
  
  def set_routes(app):
      set_groups_routes(app)
  
  
  def set_groups_routes(app):
      app.router.add_get("/groups", groups.list_groups)
      app.router.add_post("/groups/", groups.add_group)
      app.router.add_get("/groups/{group_id}", groups.get_group)
      app.router.add_put("/groups/{group_id}", groups.update_permissions)
      app.router.add_delete("/groups/{group_id}", groups.remove_group)
  
subject: Add routes module