code: def get_current_pod_name() -> Optional[str]:
      """Return the name of the TPU pod that the worker is a part of.
      Returns:
        str: the name of the TPU pod. Returns None if not part of a TPU pod.
      """
      tpu_name = TPUAcceleratorManager.get_current_node_tpu_name()
      if tpu_name == "":
          tpu_name = None
      return tpu_name
  
imports: from typing import Optional
  from ray._private.accelerators import TPUAcceleratorManager
  from ray.util.annotations import PublicAPI
label_desc: Use image node_id 1 for calling a global function with example usage: get_current_pod_name() and returns: tpu_name