code: def _get_nasbenchmark_dir():
      nni_home = nni_cache_home()
      return os.getenv(
          ENV_NASBENCHMARK_DIR, os.path.join(nni_home, "nasbenchmark")
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: _get_nasbenchmark_dir() and returns: os