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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 load_table_from_uri( self, source_uris, destination, job_id=None, job_id_prefix=None, location=None, project=None, job_config=None, retry=DEFAULT_RETRY, ):
 """Starts a job for loading data into a table from CloudStorage. See https://cloud.google.com/bigquery/docs/reference/rest/v2/jobs#configuration.load Arguments: source_uris (Union[str, Sequence[str]]):
 URIs of data files to be loaded; in format ``gs://<bucket_name>/<object_name_or_glob>``. destination (Union[ \ :class:`~google.cloud.bigquery.table.Table`, \ :class:`~google.cloud.bigquery.table.TableReference`, \ str, \ ]):
 Table into which data is to be loaded. If a string is passed in, this method attempts to create a table reference from a string using :func:`google.cloud.bigquery.table.TableReference.from_string`. Keyword Arguments: job_id (str):
 (Optional) Name of the job. job_id_prefix (str):
 (Optional) the user-provided prefix for a randomly generated job ID. This parameter will be ignored if a ``job_id`` is also given. location (str):
 Location where to run the job. Must match the location of the destination table. project (str):
 Project ID of the project of where to run the job. Defaults to the client's project. job_config (google.cloud.bigquery.job.LoadJobConfig):
 (Optional) Extra configuration options for the job. retry (google.api_core.retry.Retry):
 (Optional) How to retry the RPC. Returns: google.cloud.bigquery.job.LoadJob: A new load job. """

        job_id = _make_job_id(job_id, job_id_prefix)

        if project is None:
            project = self.project

        if location is None:
            location = self.location

        job_ref = job._JobReference(job_id, project=project, location=location)

        if isinstance(source_uris, six.string_types):
            source_uris = [source_uris]

        destination = _table_arg_to_table_ref(destination, default_project=self.project)
        load_job = job.LoadJob(job_ref, source_uris, destination, self, job_config)
        load_job._begin(retry=retry)

        return load_job