code: def test_without_regularization():
      run_sample(
          iterations=10,
          expected=[[-6.722771, -9.230448], [3.0539124, 1.1230775]],
          optimizer=ProximalAdagrad(
              lr=3.0, initial_accumulator_value=0.1
          ),
      )
  
file_path: addons/tensorflow_addons/optimizers/tests/proximal_adagrad_test.py
imports: import numpy
  import tensorflow
  from tensorflow_addons.optimizers import ProximalAdagrad
label_desc: Use image node_id 2 for calling a global function with example usage: test_without_regularization() without return types