code: def main(_: DictConfig) -> None:
      subdir = Path(HydraConfig.get().run.dir) / Path("subdir")
      subdir.mkdir(exist_ok=True, parents=True)
      os.chdir(subdir)
  
imports: import os
  from pathlib import Path
  from omegaconf import DictConfig
  import hydra
  from hydra.core.hydra_config import HydraConfig
label_desc: Use image node_id 1 for calling a global function with example usage: main(_) without return types