Graceful shutdown on Python threading

graceful_shutdown.py

import threading
import time
import requests
import queue


threads: list[threading.Thread] = []
stop_cue = queue.Queue(maxsize=1)


def work(i: int):
    r = requests.get("https://example.com", stream=True)
    for content in r.iter_content(32):
        if not stop_cue.empty():
            print(f"break: {i}")
            break
        print(content)
        time.sleep(0.5)

for i in range(0, 11):
    th = threading.Thread(target=work, args=(i, ))
    th.start()
    threads.append(th)

try:
    for th in threads:
        th.join()
except KeyboardInterrupt:
    stop_cue.put("owari")