import os
import shutil
path='原来文件夹的目录'
new_path='新文件夹的目录'
for root ,dirs,files in os.walk(path):
for i in range(len(files)):
if (files[i][-3:] == 'jpg') or (files[i][-3:] == 'png')or (files[i][-3:] == 'PNG') or (files[i][-3:] == 'JPG'):
file_path = root +'/'+files[i]
new_file_path = new_path+'/'+files[i]
shutil.copy(file_path,new_file_path)