r OS program calls
import sys #For Clean sys.exit command
import time #for sleep/pause
import RPi.GPIO as ... area...")
time.sleep(20)
os.system("xscreensaver-command -activate") #OS command for Xscreensaver program = Activate, turns on screensaver instantly
while True: ... com[plete rest and exit
os.system("xscreensaver-command -deactivate") ##OS command for Xscreensaver progr