def change_my_data request myid if request method POST if request POST

def change_my_data(request, myid)
    if request.method == 'POST':
        if request.POST == MyModel.objects.get(id=myid):
            return 'No changes'
        else:
            inst = MyModel(request.POST)
            inst.id = myid
            inst.save()
            return 'Changed'