code: def features():
      return collections.OrderedDict(
          [
              ("idnum", (tf.int32, convert_to_int)),
              ("state", (tf.string, return_same)),
              ("state2", (tf.string, return_same)),
              ("stfips", (tf.int32, convert_to_int)),
              ("zip", (tf.int32, convert_to_int)),
              ("region", (tf.int32, convert_to_int)),
              ("typebldg", (tf.int32, convert_to_int)),
              ("floor", (tf.int32, convert_to_int)),
              ("room", (tf.int32, convert_to_int)),
              ("basement", (tf.string, return_same)),
              ("windoor", (tf.string, return_same)),
              ("rep", (tf.int32, convert_to_int)),
              ("stratum", (tf.int32, convert_to_int)),
              ("wave", (tf.int32, convert_to_int)),
              ("starttm", (tf.int32, convert_to_int)),
              ("stoptm", (tf.int32, convert_to_int)),
              ("startdt", (tf.int32, convert_to_int)),
              ("stopdt", (tf.int32, convert_to_int)),
              ("pcterr", (tf.float32, convert_to_float)),
              ("adjwt", (tf.float32, convert_to_float)),
              ("dupflag", (tf.int32, convert_to_int)),
              ("zipflag", (tf.int32, convert_to_int)),
              ("cntyfips", (tf.int32, convert_to_int)),
              ("county", (tf.string, return_same)),
              ("Uppm", (tf.float32, convert_to_float)),
              ("lon", (tf.float32, convert_to_float)),
              ("lat", (tf.float32, convert_to_float)),
          ]
      )
  
file_path: datasets/tensorflow_datasets/datasets/radon/radon_dataset_builder.py
imports: from __future__ import absolute_import
  from __future__ import annotations
  from __future__ import division
  from __future__ import print_function
  import collections
  import urllib
  from etils import epath
  import numpy
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  import tensorflow_datasets.public_api
label_desc: Use image node_id 4 for calling a global function with example usage: features() and returns: collections