code: def _get_hf_dataset_and_subsample(
      dataset_name: str,
  ) -> Tuple[str, Optional[str]]:
      """Returns the Hugging Face ID and subsample name from the dataset name.
  
      The dataset name should follow the format "{HF_PREFIX}{hf_id}--{hf_subsample}"
  
      Examples (Dataset Name --> HF ID; HF subsample):
      "hf://wikisql" --> "wikisql"; None
      "hf://ColumbiaNLP/FLUTE" --> "ColumbiaNLP/FLUTE"; None
      "hf://mstz/adult--income" --> "mstz/adult"; "income"
      """
      dataset_name = dataset_name[len(HF_PREFIX) :]
      dataset_name = dataset_name.split("--")
      if len(dataset_name) == 1:
          return dataset_name[0], None
      return dataset_name[0], dataset_name[1]
  
imports: import argparse
  import importlib
  import logging
  import os
  from collections import OrderedDict
  from functools import lru_cache
  from io import BytesIO
  from typing import Any, Dict, List, Literal, Optional, Tuple, Union
  import yaml
  from ludwig.api_annotations import DeveloperAPI, PublicAPI
  from ludwig.backend.base import Backend
  from ludwig.constants import AUDIO, BINARY, CATEGORY, IMAGE, NUMBER, TEST, TEXT, TRAIN, TYPE, VALIDATION
  from ludwig.data.cache.types import CacheableDataframe
  from ludwig.datasets import configs
  from ludwig.datasets.dataset_config import DatasetConfig
  from ludwig.datasets.loaders.dataset_loader import DatasetLoader
  from ludwig.datasets.utils import model_configs_for_dataset
  from ludwig.globals import LUDWIG_VERSION
  from ludwig.utils.print_utils import print_ludwig
  from ludwig.utils.types import DataFrame
label_desc: Use image node_id 15 for calling a global function with example usage: _get_hf_dataset_and_subsample(dataset_name) and returns: dataset_name,  dataset_name, dataset_name,  None