import time start = time.time() try: seconds = float(open("seconds.txt").read()) start -= seconds except FileNotFoundError: pass seconds_passed = 0 end = 666 * 60 while seconds_passed < 666 * 60: seconds_passed = time.time() - start open("seconds.txt", "w+").write(str(seconds_passed)) print(int(end - seconds_passed) // 60, "minutes left", end='\r') time.sleep(1)