text: /*The Parallel Hello World Program*/
  #include <mpi.h>
  #include <stdio.h>
  
  main(int argc, char** argv) {
    int node;
  
    MPI_Init(&argc, &argv);
    MPI_Comm_rank(MPI_COMM_WORLD, &node);
  
    printf("Hello World from Node %d\n", node);
  
    MPI_Finalize();
  }
  