LDR servo controller

#include<Servo.h>

Servo Dithira;//dithira is the tag i selected and it can be changed!!!
void setup() {
  Dithira.attach(9);//the servo motor
pinMode(12,INPUT);//the ldr sensor
}

void loop() {
 if (digitalRead(12)==HIGH){//reading the LDR sensor(looking for shadows)
Dithira.write(60);
delay(100);
} 
else{
 Dithira.write(0);
 delay(100);
}
  


}