Basic LED setup for beginners

1int LED = 9;
2
3void setup () {
4  
5  pinMode(LED, OUTPUT);
6   
7}
8
9void loop () {
10  
11  digitalWrite(LED, HIGH);
12  delay(500);
13   digitalWrite(LED, LOW);
14  delay(500);
15  
16}

1int LED = 9;
2
3void setup () {
4  
5  pinMode(LED, OUTPUT);
6  
7}
8
9void loop () {
10  
11  digitalWrite(LED, HIGH);
12  delay(500);
13  digitalWrite(LED, LOW);
14  delay(500);
15  
16}