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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 parse_original_feature_from_example(example, feature_name):
 """Returns an `OriginalFeatureList` for the specified feature_name. Args: example: An example. feature_name: A string feature name. Returns: A filled in `OriginalFeatureList` object representing the feature. """

  feature = get_example_features(example)[feature_name]
  feature_type = feature.WhichOneof('kind')
  original_value = proto_value_for_feature(example, feature_name)

  return OriginalFeatureList(feature_name, original_value, feature_type)