code: def test_dense_sample_with_default_alpha():
      run_dense_sample(
          iterations=10,
          expected=[[0.84528893, 1.845289], [2.845289, 3.845289]],
          optimizer=COCOB(),
      )
  
imports: import numpy
  import tensorflow
  from tensorflow_addons.optimizers import COCOB
label_desc: Use image node_id 2 for calling a global function with example usage: test_dense_sample_with_default_alpha() without return types