int led=8;
int sw=10;

void setup() {
  // put your setup code here, to run once:
  pinMode(led, OUTPUT);
  pinMode(sw, INPUT);
  Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:
int status = digitalRead(sw);
Serial.println(status);
if(status==HIGH)
{
 digitalWrite(led, HIGH);
 Serial.println("led is ON");
}
else
{
 digitalWrite(led, LOW);
 Serial.println("led is OFF");
}

}