Python Alarm Clock Project

"""A simple command-line alarm clock."""

import time
from datetime import datetime


def read_alarm_time():
    while True:
        value = input("Alarm time (HH:MM, 24-hour format): ").strip()
        try:
            datetime.strptime(value, "%H:%M")
            return value
        except ValueError:
            print("Use a valid time such as 07:30 or 18:45.")


def main():
    print("Python Alarm Clock")
    alarm_time = read_alarm_time()
    message = input("Alarm message: ").strip() or "Time is up!"
    print(f"Alarm set for {alarm_time}. Press Ctrl+C to cancel.")

    try:
        while True:
            now = datetime.now().strftime("%H:%M")
            if now == alarm_time:
                print("\n" + "* " * 12)
                print(f"ALARM: {message}")
                print("* " * 12)
                break
            time.sleep(15)
    except KeyboardInterrupt:
        print("\nAlarm cancelled.")


if __name__ == "__main__":
    main()