code: def cooccurrence1():
      return np.array(
          [[1.0, 0.0, 1.0], [0.0, 2.0, 1.0], [1.0, 1.0, 2.0]]
      )
  
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 2 for calling a global function with example usage: cooccurrence1() and returns: np