def delete_value(
            self, tag_name, tag_value, custom_headers={}, raw=False, **operation_config):
        # Construct URL
        url = '/subscriptions/{subscriptionId}/tagNames/{tagName}/tagValues/{tagValue}'
        path_format_arguments = {
            'tagName': self._serialize.url("tag_name", tag_name, 'str'),
            'tagValue': self._serialize.url("tag_value", tag_value, 'str'),
            'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
        }
        url = self._client.format_url(url, **path_format_arguments)

        # Construct parameters
        query_parameters = {}
        query_parameters['api-version'] = self._serialize.query("self.config.api_version", self.config.api_version, 'str')

        # Construct headers
        header_parameters = {}
        header_parameters['Content-Type'] = 'application/json; charset=utf-8'
        if self.config.generate_client_request_id:
            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
        if custom_headers:
            header_parameters.update(custom_headers)
        if self.config.accept_language is not None:
            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

        # Construct and send request
        request = self._client.delete(url, query_parameters)
        response = self._client.send(request, header_parameters, **operation_config)

        if response.status_code not in [200, 204]:
            exp = CloudError(response)
            exp.request_id = response.headers.get('x-ms-request-id')
            raise exp

        if raw:
            client_raw_response = ClientRawResponse(None, response)
            return client_raw_response
Delete a subscription resource tag value.
dataset/ETHPy150Open Azure/azure-sdk-for-python/azure-mgmt-resource/azure/mgmt/resource/resources/operations/tags_operations.py/TagsOperations.delete_value