code: def msg(m, string=""):
      print(
          (
              "Message from %d: %s \t "
              % (MPI.COMM_WORLD.Get_rank(), string)
          )
          + str(m)
      )
  
file_path: spinningup/spinup/utils/mpi_tools.py
imports: from mpi4py import MPI
  import os, subprocess, sys
  import numpy
label_desc: Use image node_id 2 for calling a global function with example usage: msg(m, string) without return types