code: def _make_multiagent_spec(
      agent_indices: List[str],
  ) -> Dict[str, specs.Array]:
      """Returns dummy multiagent sub-spec (e.g., observation or action spec).
  
      Args:
        agent_indices: a list of agent indices.
      """
      return {
          agent_id: specs.BoundedArray((1,), np.float32, 0, 1)
          for agent_id in agent_indices
      }
  
imports: from typing import Dict, List
  from acme import specs
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: _make_multiagent_spec(agent_indices) and returns: unknown