Grove Starter Kit for Arduino --- Light Sensor

#include <math.h>

const int sensor=A0; //set the sensor to pin A0

void setup(){
  Serial.begin(9600);//initialize the serial monitor at 9600 baud rate
}

void loop(){
  int sensorValue=analogRead(sensor);//create a var to store the value of the sensor
  Serial.println("the analog read data is ");//print on the serial monitor what's in the ""
  Serial.println(sensorValue);// print the value of the sensor on the serial monitor
  delay(1000);
}