一个文件夹里（包括子文件夹）总时间

# coding=utf-8
import os
from moviepy.editor import VideoFileClip

mypath = "/Users/austin/Desktop/爬虫部分"
totaltime = 0
for root,dirs,files in os.walk(mypath):
    for name in files:
        if name.endswith(".mp4"): #判定成为视频
            fileaddress = os.path.join(root, name)
            clip = VideoFileClip(fileaddress)
            totaltime += clip.duration
#             print( name +':' +str(clip.duration/60)+'min' ) # seconds
#             print(f)

totaltime = totaltime/60/60  #秒转换成小时
print("看完这些视频总共需要的时间为:%.2f小时"%totaltime)