from machine import Pin
from time import sleep

ir_sensor = Pin(18, Pin.IN)
LDR = Pin(4, Pin.OUT)
print("pi")

while True:
    ir_value = ir_sensor.value()
    LDR.value(0)
    print(ir_value)
    if ir value == 1:
        LED.value(1)
    elif ir_value==2:
        LDR.value(2)