int l=5,s=9 ,switc=7;
void setup() {
  // put your setup code here, to run once:
pinMode(l, OUTPUT);
pinMode(s,INPUT);
pinMode(switc,INPUT);
Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(digitalRead(switc)==HIGH)
{
if(digitalRead(s)==1)
{
  digitalWrite(l, HIGH);
  Serial.println("led glowing");
  Serial.print("idr value=");
  Serial.println(digitalRead(9));
  delay(2000);
}
else
{
  digitalWrite(l,LOW);
  Serial.println("led not glowing");
  Serial.print("idr value=");
  Serial.println(digitalRead(9));
}
delay(1000);
}
//else{
  //print("nothing detecting");
}
//}