Exit immediately after KeyboardInterrupt

exit_now.py

#!/usr/bin/env python3

import time
import concurrent.futures.thread
from concurrent.futures import ThreadPoolExecutor, as_completed


with ThreadPoolExecutor(1) as executor:
    fs = [executor.submit(time.sleep, 10)]
    try:
        for f in as_completed(fs):
            f.result()
    except KeyboardInterrupt:
        executor._threads.clear()
        concurrent.futures.thread._threads_queues.clear()

not work ctrl c