int ledPin=8


void setup() {
  pinMode(ledPin,OUTPUT);

  // put your setup code here, to run once:

}

void loop() {
  for(int x=0;x<3;x++){
    digitalWrite(ledPin, HIGH);
    delay(150);
    digitalWrite(ledPin,LOW);
    delay(100);
  }
  // put your main code here, to run repeatedly:
for(int x=0;x<3;x++){
    digitalWrite(ledpin, HIGH);
    delay(150);
    digitalWrite(ledPin,LOW);
    delay(100);
  }
  for(int x=0;x<3;x++){
    digitalWrite(ledpin, HIGH
    delay(150);
    digitalWrite(ledPin,LOW);
    delay(100);
}