from machine import Pin 
import time      

button = Pin(17, Pin.IN, Pin.PULL_UP)  
relay = Pin(13, Pin.OUT)             
flage=false


relay.value(0)

print("on")
while True:
   if button.value() == 0 and flage =1:
    flage =!flage
    relay.value(flage)
    

   else:
     relay.value(0)
    time.sleep(.1)