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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 file_upload_notification(self, area_uuid, filename):
 """ Notify Upload Service that a file has been placed in an Upload Area :param str area_uuid: A RFC4122-compliant ID for the upload area :param str filename: The name the file in the Upload Area :return: True :rtype: bool :raises UploadApiException: if file could not be stored """

        url_safe_filename = urlparse.quote(filename)
        path = ("/area/{area_uuid}/{filename}".format(area_uuid=area_uuid, filename=url_safe_filename))
        response = self._make_request('post', path=path)
        return response.ok