python 闹钟程序

import winsound # 导入此模块实现声音播放功能
import time # 导入此模块，获取当前时间
# 提示用户设置时间和分钟
my_hour = input("请输入时：")
my_minute = input("请输入分：")
flag = 1
while flag:
  t = time.localtime() # 当前时间的纪元值
  fmt = "%H %M"
  now = time.strftime(fmt, t) # 将纪元值转化为包含时、分的字符串
  now = now.split(' ') #以空格切割，将时、分放入名为now的列表中
  hour = now[0]
  minute = now[1]
  if hour == my_hour and minute == my_minute:
    music = 'kaishi.wav'
    winsound.PlaySound(music, winsound.SND_ALIAS)
    flag = 0