input: Write a function to create a Text-to-Speech Python application that reads out a simple sentence. The function should take a single string argument representing the sentence to be read, initialize a text-to-speech engine, and then speak the given sentence.
  assert text_to_speech("Hello, this is a simple sentence")==None
output: def text_to_speech(sentence):
      import pyttsx3
      engine = pyttsx3.init()
      engine.say(sentence)
      engine.runAndWait()