class_docstr: Math Dataset.
code: def _info(self):
      return self.dataset_info_from_configs(
          features=tfds.features.FeaturesDict(
              {
                  _QUESTION: tfds.features.Text(),
                  _ANSWER: tfds.features.Text(),
              }
          ),
          supervised_keys=(_QUESTION, _ANSWER),
          homepage="https://github.com/deepmind/mathematics_dataset",
      )
  
file_path: datasets/tensorflow_datasets/datasets/math_dataset/math_dataset_dataset_builder.py
imports: import os
  from absl import logging
  from etils import epath
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  import tensorflow_datasets.public_api
label_desc: Use image node_id 1 for calling the Builder obj's underlying member method code with example usage: obj._info() and returns: self