스크립트 mv 명령어 질문

import os
import shutil
import time

def delete_old_files(directory, days):
    current_time = time.time()
    for root, dirs, files in os.walk(directory):
        for file in files:
            file_path = os.path.join(root, file)
            if os.path.isfile(file_path):
                file_age = current_time - os.path.getmtime(file_path)
                if file_age > days * 86400:  # 60 ʰ   (Ϸ 86400)
                    os.remove(file_path)

def move_files(source_dir, destination_dir):
    for root, dirs, files in os.walk(source_dir):
        for file in files:
            source_file_path = os.path.join(root, file)
            destination_file_path = os.path.join(destination_dir, file)
            shutil.move(source_file_path, destination_file_path)

def delete_empty_folders(directory):
    for root, dirs, files in os.walk(directory, topdown=False):
        for dir in dirs:
            dir_path = os.path.join(root, dir)
            if not os.listdir(dir_path):
                os.rmdir(dir_path)

if __name__ == "__main__":
    show_dl_dir = "/volume2/Youtube/OneDrive"
    #
    movie_dl_dir = "/volume2/Movie_DL"

    # 60 ̻   
   # delete_old_files(show_dl_dir, 60)
    #delete_old_files(movie_dl_dir, 60)

    # "Look"     "Show_DL"  ̵
    move_files("/volume2/Youtube/Mortal2244", show_dl_dir)
#    move_files("/volume1/Bb/Movie_Look/", movie_dl_dir)

    #   
    delete_empty_folders("/volume2/Youtube/Mortal2244")
    
    delete_empty_folders(show_dl_dir)