print where ACO process is launched

Appli-iso3dfd/ACO.py

 import numpy as np
 import math
 from mpi4py import MPI
+import socket
 
 import compute_path
 import compute_tau
@@ -105,6 +106,7 @@ if __name__ == "__main__":
     comm = MPI.COMM_WORLD
     NbP = comm.Get_size()
     Me  = comm.Get_rank()
+    print(f"Process {Me} launched on node {socket.gethostname()}\n.")
 
     # Initialization of hyperparameters
     alpha = 1