import os
count = 0
movie_name = os.listdir('D:/Desktop//1300/')#某个文件夹的所有文件目录
for temp in movie_name:
    new_name = "D:/Desktop//1300/"+str(count)+'.jpg'#新的文件名
    oldname = "D:/Desktop//1300/" + temp #旧的文件名
    os.rename(oldname,new_name)
    count = count + 1