backup.c
int ML_driver_tr(){
  pid_ML_tr = fork();
  if (pid_ML_tr == 0){
    execv("./train_auto.py", NULL);
  }
  else{
    waitpid(pid_ML_tr, NULL, 0);
  }
}
////////////////////////////////////////////////////////////////////
// Process 3: Keras Training Driver (ML_training)
////////////////////////////////////////////////////////////////////
Process 3: Keras Training Driver (ML_training)
Process 3 : Keras Training Driver ( ML_training )
int ML_driver_tr(){
  pid_ML_tr = fork();
  if (pid_ML_tr == 0){
    execv("./train_auto.py", NULL);
  }
  else{
    waitpid(pid_ML_tr, NULL, 0);
  }
}
int ML_driver_tr ( ) { pid_ML_tr = fork ( ) ; if ( pid_ML_tr == 0 ) { execv ( " " , NULL ) ; } else { waitpid ( pid_ML_tr , NULL , 0 ) ; } }
Process 3: Keras Training Driver (ML_training)
Process 3 : Keras Training Driver ( ML_training )