pyautogui keyDown

import pyautogui
import time

def macro():
    print('Macro Function Playing...')
    texts="hello world"
    for text in texts:
        time.sleep(2)
        pyautogui.press(text)
    pyautogui.keyDown('alt')
    time.sleep(2)
    pyautogui.press('f')
    time.sleep(2)
    pyautogui.keyUp('alt')
    time.sleep(2)
    pyautogui.press('s')


if __name__ == '__main__':
    macro()