from machine import Pin
from time import sleep

pin_led  = Pin(2, Pin.OUT)
pin_pb  = Pin(27, Pin.IN)

def main():
    while True:
        # always OFF
        pin_led.off() 
        sleep(10)      

def interrupt_pb(pin):
    val_pb = pin_pb.value()
    print(val_pb)
    print('Interrupt by:', pin) 
    pin_led.on() 
    sleep(5) 
    pin_led.off()
    print('Interrupt end by:', pin) 

# Interrupt trigger 
pin_pb.irq(trigger=Pin.IRQ_FALLING, handler=interrupt_pb) 
     
##################################### 
###### EXECUTE MAIN ROUTINE 
 
if __name__ == '__main__': 
    main()