code: def get_variables(
      self, names: Sequence[str]
  ) -> Sequence[
      Any
  ]:  # pytype: disable=signature-mismatch  # overriding-return-type-checks
      variables = []
      for n in names:
          if n == "params_model0":
              variables.append(self._params_model0)
          elif n == "params_model1":
              variables.append(self._params_model1)
          else:
              raise ValueError("Unknow variable name: {n}")
      return variables
  
imports: import os
  import time
  from typing import Any, Sequence
  from acme import core
  from acme.jax import snapshotter
  from acme.jax import types
  from acme.testing import test_utils
  import jax.numpy
  from absl.testing import absltest
label_desc: Use image node_id 2 for calling the _DummyVariableSource obj's underlying member method code with example usage: obj.get_variables(names) and returns: variables