""" correr usando:
   $ mpirun -np 2 python3 b.py
"""

from mpi4py import MPI

comm = MPI.COMM_WORLD
rank = comm.Get_rank()

if rank == 0:
    data = {"a": 7, "b": 3.14}
    comm.send(data, dest=1, tag=11)
    print(data)
elif rank == 1:
    data = comm.recv(source=0, tag=11)
    print(data)