<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def post(self, request, *args, **kwargs):
 """ Return a response to the statement in the posted data. * The JSON data should contain a 'text' attribute. """

        input_data = json.loads(request.body.decode('utf-8'))

        if 'text' not in input_data:
            return JsonResponse({
                'text': [
                    'The attribute "text" is required.'
                ]
            }, status=400)

        response = self.chatterbot.get_response(input_data)

        response_data = response.serialize()

        return JsonResponse(response_data, status=200)