from machine import Pin,ADC
import time
re1=Pin(15,Pin.OUT)
re2=Pin(0,Pin.OUT)

swup=ADC(Pin(26))
swdw=ADC(Pin(27))

while True:
    x=swdw.read_u16()
    y=swup.read_u16()

    time.sleep(0.25)
    re1.off()
    re2.off()

    if y==0:
        print('Lowwer LED on')
        
        re2.on()
    if y==65535:
        print('Upper LED on')
        re1.on()
        
    if x==0:
        print('Lowwer LED on')
        
        re2.on()
    if x==65535:
        print('Upper LED on')
        re1.on()