code: def test_dense_sample_with_custom_float_alpha():
      run_dense_sample(
          iterations=5,
          expected=[[0.89307845, 1.8930784], [2.8930783, 3.8930783]],
          optimizer=COCOB(55.7),
      )
  
imports: import numpy
  import tensorflow
  from tensorflow_addons.optimizers import COCOB
label_desc: Use image node_id 4 for calling a global function with example usage: test_dense_sample_with_custom_float_alpha() without return types