Arduino code for Decoration Piece of Lights

Arduino code for Decoration Piece of Lights

void setup() {

  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
}


void loop() {
  digitalWrite(11, HIGH); 
  delay(1000);                   
  digitalWrite(11, LOW);   
  delay(10);                     
  digitalWrite(12, HIGH); 
  delay(1000);                     
  digitalWrite(12, LOW);   
  delay(10);
 
}