code: def run_ppmap(obj):
      from pathos.pools import ParallelPool
  
      p = ParallelPool(2)
      x = [1, 2, 3]
      assert list(map(obj, x)) == p.map(obj, x)
      p.clear()
  
label_desc: Use image node_id 2 for calling a global function with example usage: run_ppmap(obj) without return types