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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def retrieve(self, request, project, pk=None):
 """ GET method implementation for a note detail """

        try:
            serializer = JobNoteSerializer(JobNote.objects.get(id=pk))
            return Response(serializer.data)
        except JobNote.DoesNotExist:
            return Response("No note with id: {0}".format(pk), status=HTTP_404_NOT_FOUND)