import os
import shutil


for root, dir, files in os.walk('./iTunes_Music'):
    if not files:
        continue
    for song_file in files:
        if not "mp3" in song_file:
            continue
        old_file_path = os.path.join(root, song_file)
        shutil.move(old_file_path, "./move/%s" % song_file)