python批量移动图片到文件夹_python批量建立文件夹?

import shutil
import os
dir='C:/Users/123/Desktop/image/'
dirlist=os.listdir(dir)
l=len(dirlist)
for i in range(9):
    images=dir+str(i)
    if not os.path.exists(images):
        os.makedirs(images)
    for j in range(2,l):
        imagedir=dirlist[j]
        if imagedir[5]==str(i):
            rawdir=dir+imagedir
            shutil.move(rawdir,images)