Düşünce Mezarlığı

import os
import shutil

dirName = input('Enter the folder name:')
li = os.listdir(dirName)

for i in li:
    fileName, extension = os.path.splitext(i)
    extension = extension[1:]

    if extension == "":
        continue
    if os.path.exists(dirName + '/' + extension):
        shutil.move(dirName+'/'+i, dirName+'/'+extension+'/'+i)
    else:
        os.makedirs(dirName+'/'+extension)
        shutil.move(dirName+'/'+i, dirName+'/'+extension+'/'+i)