from machine import Pin
from time import sleep
led1=Pin(2,Pin.OUT)
sw1=Pin(17,mode=Pin.IN, pull=Pin.PULL_UP)
sw1.on()
while(True):
    print(sw1.value())
    if sw1.value()==1:
        led1.on()
    else:
        led1.off()
    sleep(0.1)