Led chaser

1#define LED0 4
2
3#define LED1 5
4
5#define LED2 6
6
7#define  LED3 7
8
9#define LED4 8
10
11void setup() 
12{
13    pinMode(LED0, OUTPUT);
14    pinMode(LED1, OUTPUT); 
15    pinMode(LED2, OUTPUT);
16    pinMode(LED3, OUTPUT);  
17    pinMode(LED4, OUTPUT);
18      
19}
20void loop()
21{
22            
23            digitalWrite(LED0,HIGH);
24            delay(200);
25            digitalWrite(LED0,LOW);
26            digitalWrite(LED1,HIGH);
27            delay(200);
28            digitalWrite(LED1,LOW);
29            digitalWrite(LED2,HIGH);
30            delay(200);
31            digitalWrite(LED2,LOW);
32            digitalWrite(LED3,HIGH);
33            delay(200);
34            digitalWrite(LED3,LOW);
35            digitalWrite(LED4,HIGH);
36            delay(200);
37            digitalWrite(LED4,LOW);
38            delay(200);
39
40            digitalWrite(LED4,HIGH);
41            delay(200);
42            digitalWrite(LED4,LOW);
43            digitalWrite(LED3,HIGH);
44            delay(200);
45            digitalWrite(LED3,LOW);
46            digitalWrite(LED2,HIGH);
47            delay(200);
48            digitalWrite(LED2,LOW);
49            digitalWrite(LED1,HIGH);
50            delay(200);
51            digitalWrite(LED1,LOW);
52            digitalWrite(LED0,HIGH);
53            delay(200);
54            digitalWrite(LED0,LOW);
55            delay(200);
56}