splch

import time, sys

def progress(iterable, length=33):
    total, start = len(iterable), time.monotonic()
    for count, it in enumerate(iterable, 1):
        yield it
        if count % max(1, total // 10000) == 0 or count == total:
            percent = count / total
            sys.stdout.write(
                f'\r▕{"█" * int(length * percent) + " " * (length - int(length * percent))}▏ '