Python script to extract audio from mp4 and save it in the original directory.

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# @Time   : 2020/2/26 17:36
# @Author  : CuiFeiran
# @FileName : 
# @Software : PyCharm
# @email  :cui2025@
# @Blog   : /qq_33273956
# @bilibili : /368768799
import os
import glob
from pydub import AudioSegment
wenjianjia = []
path = input('Please enter the path of the parent folder to be transcoded:')
for root, dirs, files in (path):
  (root)
wjj = wenjianjia
for dir in wjj:
  video_dir = dir
  extension_list = ('*.mp4', '*.flv')
  i = 1
  (video_dir)
  for extension in extension_list:
    for video in (extension):
      mp3_filename = ((video))[0] + '.mp3'
      AudioSegment.from_file(video).export(mp3_filename, format='mp3')
      print('Transcoded', str(i), 'A video!')
      i += 1
  #
  # for infile in ((video_dir, '*.mp4')):
  #   (infile)