import machine
import time


LDR_PIN = machine.Pin(26, machine.Pin.IN)
LED_PIN = machine.Pin(0, machine.Pin.OUT)

def get_light_intensity():
   
    return LDR_PIN.value()

def main():
    try:
        while True:
            light_intensity = get_light_intensity()
            print("Light intensity:", light_intensity)
            
           
            if light_intensity == 0: 
                LED_PIN.on()  
            else:
                LED_PIN.off()  
            
            time.sleep(1)
            
    except KeyboardInterrupt:
        print("\nProgram terminated.")

if __name__ == '__main__':
    main()