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#!/usr/bin/env python 

""" 

Parallel Hello World 

""" 

 

from mpi4py import MPI 

import sys 

 

size = MPI.COMM_WORLD.Get_size() 

rank = MPI.COMM_WORLD.Get_rank() 

name = MPI.Get_processor_name() 

 

sys.stdout.write("Hello, World! I am process %d of %d on %s.\n" % (rank, size, name))