#当按键q的时候，自动输入 “大家好！”并回车键发送！
from pynput import keyboard

from pynput.keyboard import Key, Controller

kb = Controller()

def on_release(key):

    try:

        if key.char == "q":

            kb.type(u'大家好！！！')

            kb.press(Key.enter)

            kb.release(Key.enter)

    except:

        pass

while True:

    with keyboard.Listener(

        on_release = on_release) as listener:

        listener.join()