import sys
import pyttsx3
engine = pyttsx3.init()
engine.setProperty('rate', 110)
engine.setProperty('volume', 0.9)
engine.setProperty('voice', "3")
while True:
str="听见了吗,我现在能发出语音了"
print(str)
#str = input("请输入内容:")
if len(str)==None:
continue
else:
engine.say(str);
engine.runAndWait()