LED Control with LDR and Arduino

[@Elektro017]

Code :
#define led 3
void setup() {
pinMode(led,OUTPUT);
Serial.begin(9600);
}
void loop() {
int light = analogRead(A0);
Serial.println(light);
delay(50);
if(light > 900){
digitalWrite(led,LOW);
}
if(light < 850){
digitalWrite(led,HIGH);
}
}