How to handle a button click in Django project? -

i have form below:

<form action="{% url clicked %}" method="get">     <input type="submit" value="button" name="btn"/> </form> 

url:

 url(r'^clicked/$', views.button_clicked, name='clicked'), 

whenever click on button, should redirect page , return json file.

def button_clicked(request):     if request.get.get('btn'):        return httpresponseredirect('/clicked/')      to_json = {     "key1": "value1",     "key2": "value2" }  return httpresponse(simplejson.dumps(to_json), mimetype='application/json') 

i'm wondering if best approach deal problem above.