python -m pip install pypiwin32

#coding:utf-8
import win32com.client
spk = win32com.client.Dispatch("SAPI.SpVoice")
 
spk.Speak(u"你好呀，this is test tts by win32com")

#coding:utf-8
import win32com.client
import time
spk = win32com.client.Dispatch("SAPI.SpVoice")
 
while 1:
  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]
 
  print (hour,minute)
  
  if hour == "10" and minute == "27":
    spk.Speak(u"请注意，请注意，It's time for homework")
    time.sleep(5)
  time.sleep(5)