# This script checks if corresponding png in format waifu-..png exists. Values for can be 64, 128, 256. import sys import os count = 513 for i in range(1, count + 1): for res in [64, 128, 256]: filename = "waifu-" + str(i) + "." + str(res) + ".png" if not os.path.exists(filename): print(filename)