code: def _eu_dist(x, y):
      """Calculate the euclidean distance."""
      from scipy.spatial.distance import euclidean
  
      return euclidean(x, y)
  
imports: import itertools
  import time
  import numpy
  import pandas
  from sklearn.neighbors import NearestCentroid
  from sktime.datatypes import convert
  from sktime.datatypes._panel._convert import from_3d_numpy_to_nested
  from sktime.transformations.base import BaseTransformer
label_desc: Use image node_id 1 for calling a global function with example usage: _eu_dist(x, y) and returns: euclidean