code: def make_dataset(self, dataset, raise_if_exists=False, body=None):
          
  
          if body is None:
              body = {}
  
          try:
              # Construct a message body in the format required by
              # https://developers.google.com/resources/api-libraries/documentation/bigquery/v2/python/latest/bigquery_v2.datasets.html#insert
              body['datasetReference'] = {
                  'projectId': dataset.project_id,
                  'datasetId': dataset.dataset_id
              }
              if dataset.location is not None:
                  body['location'] = dataset.location
              self.client.datasets().insert(projectId=dataset.project_id, body=body).execute()
          except http.HttpError as ex:
              if ex.resp.status == 409:
                  if raise_if_exists:
                      raise luigi.target.FileAlreadyExists()
              else:
                  raise
docs: Creates a new dataset with the default permissions.
  
             :param dataset:
             :type dataset: BQDataset
             :param raise_if_exists: whether to raise an exception if the dataset already exists.
             :raises luigi.target.FileAlreadyExists: if raise_if_exists=True and the dataset exists