code: def _get_manager():
      global _manager
      if _manager is None:
          _manager = fiber.Manager()
  
      return _manager
  
file_path: fiber/fiber/experimental/ring.py
imports: import multiprocessing
  import random
  import fiber
  from fiber.backend import get_backend
label_desc: Use image node_id 1 for calling a global function with example usage: _get_manager() and returns: _manager