def terminate_processes(pid_list):
    """Terminate a list of processes by sending to each of them a SIGTERM signal, 
        pre-emptively checking if its PID might have been reused.
    
    Parameters
    ----------
    pid_list : list
        A list of process identifiers identifying active processes.
    """

    for proc in psutil.process_iter():
        if proc.pid in pid_list:
            proc.terminate()
Terminate a list of processes by sending to each of them a SIGTERM signal, 
        pre-emptively checking if its PID might have been reused.
    
    Parameters
    ----------
    pid_list : list
        A list of process identifiers identifying active processes.