code: def cooccurrence2():
      return np.array(
          [
              [2.0, 0.0, 0.0, 1.0],
              [0.0, 3.0, 0.0, 0.0],
              [0.0, 0.0, 2.0, 2.0],
              [1.0, 0.0, 2.0, 4.0],
          ]
      )
  
file_path: recommenders/tests/unit/recommenders/utils/test_python_utils.py
imports: import pytest
  import numpy
  from recommenders.utils.python_utils import exponential_decay, jaccard, lift, get_top_k_scored_items, binarize, rescale
label_desc: Use image node_id 3 for calling a global function with example usage: cooccurrence2() and returns: np