code: def get_X0(X):
      """Return zero-th element of a one-element data container."""
      if pandas_available and isinstance(X, pd.DataFrame):
          assert len(X) == 1
          x = np.array(X.iloc[0])
      else:
          (x,) = X
      return x
  
imports: from __future__ import absolute_import
  from distutils.version import LooseVersion
  from typing import Any, Optional, List, Tuple
  import numpy
  import scipy.sparse
  from sklearn.multiclass import OneVsRestClassifier
  from eli5.sklearn.unhashing import invert_hashing_and_fit, handle_hashing_vec
  from eli5._feature_names import FeatureNames
label_desc: Use image node_id 13 for calling a global function with example usage: get_X0(X) and returns: x