from machine import Pin
import time
led1=Pin(16,Pin.OUT)
led2=Pin(17,Pin.OUT)
led3=Pin(18,Pin.OUT)
led4=Pin(19,Pin.OUT)
sw1=Pin(12,Pin.IN)
sw2=Pin(13,Pin.IN)
led=[led1,led2,led3,led4]

while 1:
    if sw1.value()==0: #0 because pull up
        led1.on()
        time.sleep_ms(50)
        print("Switch Pressed,","LED On")
    if sw2.value()==0:
        led1.off()
        time.sleep_ms(50)
        print("Switch Released,","LED Off")