Script to rename images for gallery

rename_images_gallery.py

import os

files = sorted(os.listdir())
cont = 1
new_names = []

for filename in files:
    new_name = '{:03d}.{}'.format(cont, filename[-3:])
    new_names.append(new_name)
    os.rename(filename, new_name)
    cont+=1

print(new_names)