我如何才能每天重复倒计时计时器，并且每天重复多次？

import time

def countdown_timer(duration, repeat_times):
    for _ in range(repeat_times):
        end_time = time.time() + duration
        while time.time() < end_time:
            remaining_time = end_time - time.time()
            print(f"Remaining time: {remaining_time:.2f} seconds")
            time.sleep(1)
        print("Countdown finished!")
        print("")

# 设置每天重复的时间段（示例为每天的8:00和12:00）
repeat_start_time = "08:00"
repeat_end_time = "12:00"

while True:
    current_time = time.strftime("%H:%M", time.localtime())
    if repeat_start_time <= current_time <= repeat_end_time:
        countdown_timer(60, 3)  # 每次倒计时60秒，重复3次
    time.sleep(60)  # 每分钟检查一次时间