Photoresistor Brightness Sensor

1int sensorPin = A0; // select the input pin for LDR
2
3int sensorValue  = 0; // variable to store the value coming from the sensor
4
5void setup() {
6  Serial.begin(9600); //sets serial port for communication
7}
8void loop() {
9  sensorValue = analogRead(sensorPin); // read the value from the sensor
10  Serial.println(sensorValue);  //prints the values coming from the sensor on the screen
11  
12  delay(100);
13}