from machine import Pin,ADC
from time import sleep
LDR=ADC(26)
LED1=Pin(3,Pin.OUT)
LED2=Pin(2,Pin.OUT)
LED3=Pin(1,Pin.OUT)
while True:
    a=LDR.read_u16()
    print(a)
    if(16000<a<60000):
        LED1.value(0)
        LED2.value(1)
        LED3.value(0)
        sleep(1)
    if(a>=64000):
        LED1.value(1)
        LED2.value(0)
        LED3.value(0)
        sleep(1)
    if(a<12000):
            LED3.value(1)
            LED2.value(0)
            LED1.value(0)
            sleep(1)