title: on data.put() i need to display to the user that the data has been successfully submitted or failure incase pof one
body: <p>am using python and google app engine majorly on jinja2 templates
  i could like when a user registers a new account, they get a popup indicating that their registration is successful of even any alert on the very interface before moving to the next registration step.</p>
  
  <pre><code>def post(self):
  
              user = (str(users.get_current_user().email()))
              userquery = Users.query(Users.email == user)
              count = userquery.count()
              if count == 0:
                  #test if user is admin or employee
                  qry = Users.query()
                  count = qry.count()
                  if count == 0:
                      privilage = 'admin'
                      db_put = Users(
                      f_name=self.request.get("f_name"),
                      l_name = self.request.get("l_name"),
                      org = self.request.get("org"),
                      email=users.get_current_user().email(),
                      privilage = privilage
                                             )
                      db_put.put()
  </code></pre>