float Sens=A0;

void setup() 
{
 pinMode(Sens, INPUT);
 Serial.begin(9600);  
}

void loop() 
{
float Light=analogRead(Sens);
Ligth=map(Light,1023,8,0,100);
Serial.println("Light intensity is: ");
Serial.println(Light);  
if(Light>60)
{
  digitalWrite(LED, HIGH);
  delay(1000);
}
else
{
  digitalWrite(LED, HIGH);
  delay(100);
}