code: def plus(a, b):
      time.sleep(0.5 * random.random())
      return a + b
  
file_path: multiprocess/py3.13/examples/ex_workers.py
imports: import time
  import random
  from multiprocess import current_process, Process, freeze_support
  from multiprocess import Queue
label_desc: Use image node_id 4 for calling a global function with example usage: plus(a, b) and returns: unknown