code: def categorical_distance(x, y):
      if x == y:
          return 0.0
      else:
          return 1.0
  
imports: import numba
  import numpy
  import scipy.stats
  from sklearn.metrics import pairwise_distances
label_desc: Use image node_id 52 for calling a global function with example usage: categorical_distance(x, y) and returns: int, int