def calculate_average_times(
    waiting_time: list[int], turn_around_time: list[int], no_of_processes: int
) -> None:
    total_waiting_time = 0
    total_turn_around_time = 0
    for i in range(no_of_processes):
        total_waiting_time = total_waiting_time + waiting_time[i]
        total_turn_around_time = total_turn_around_time + turn_around_time[i]
    print(f"Average waiting time = {total_waiting_time / no_of_processes:.5f}")
    print("Average turn around time =", total_turn_around_time / no_of_processes)