code: def test_additional_variables_with_loss(ray_start_2_cpus):
      net = LossActor()
      assert len(net.values[0].variables.items()) == 3
      assert len(net.values[0].placeholders.items()) == 3
  
      net.values[0].set_weights(net.values[0].get_weights())
  
imports: from numpy.testing import assert_almost_equal
  import ray
  import ray.experimental.tf_utils
  from ray.rllib.utils.framework import try_import_tf
label_desc: Use image node_id 5 for calling a global function with example usage: test_additional_variables_with_loss(ray_start_2_cpus) without return types