鬧鐘

import sys 
import time
import subprocess   # 與系統交互的模塊
import random
set_time = input('設置鬧鐘時間（舉例8；00）：')
print(f'鬧鐘設置爲：{set_time}')

#記錄時間
print('現在的時間是：')
# run = True
# while run:
#     t = time.localtime()
#     fmt = "%H:%M:%S"
#     now = time.strftime(fmt, t)  # 將localtime轉換爲字符串格式的樣式，易於人類識別
# #     print(now)
#     # print(now + '\r', end = '', flush = True)  # flush 刷新 \r
#     # print(now , end = '', flush = True)
#     sys.stdout.write(now + '\r') # 與上面效果相同
#     sys.stdout.flush()
#     time.sleep(1)
#     if now[:5] == set_time.rjust(5, '0'):
#         print('time up')
#         subprocess.Popen(['start', '後會無期.mp3'], shell =True)
#         run = False
        # break

def alert():
    '''
    鬧鐘本身
    '''
    run = True
    while run:
        t = time.localtime()
        fmt = "%H:%M:%S"
        now = time.strftime(fmt, t)  # 將localtime轉換爲字符串格式的樣式，易於人類識別
    #     print(now)
        # print(now + '\r', end = '', flush = True)  # flush 刷新 \r
        # print(now , end = '', flush = True)
        sys.stdout.write(now + '\r') # 與上面效果相同
        sys.stdout.flush()
        time.sleep(1)
        if now[:5] == set_time.rjust(5, '0'):
            print('time up')
            subprocess.Popen(['start', '後會無期.mp3'], shell =True)
            # run = False
            run =  not random_math()
def random_math():
    '''隨機數學題'''
    # while True:
    a = random.randint(1, 10)
    b = random.randint(1,10)
    print(f'please answer:a + b = {a} + {b}=')
    answer = int(input('輸入結果'))
    if answer == a + b:
        print('ok')
        return True
        # break  #不然會一直循環
    else:
        print('no')
        return False
    # return True

def main():
    alert()
    # random_math()

if __name__ == '__main__':
    main()