text: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  import numpy as np
  from mpi4py import MPI
  
  world = MPI.COMM_WORLD
  world_size = world.Get_size()
  world_rank = world.Get_rank()
  
  if world_rank == 0:
      A = np.arange(9).reshape((3, 3))
  else:
      A = np.empty((3, 3), dtype='i')
  
  A = world.bcast(A)
  
  print(A)
  