//
// running light

int led_1 =13;
int led_2 =12;
int led_3 =11;
int led_4 =10;
int led_5 =9;
int led_6 =8;


void setup() {
  // put your setup code here, to run once:
  pinMode(led_1 ,OUTPUT);
  pinMode(led_2 ,OUTPUT);
  pinMode(led_3 ,OUTPUT);
  pinMode(led_4 ,OUTPUT);
  pinMode(led_5 ,OUTPUT);
  pinMode(led_6 ,OUTPUT);
}

void loop() {
  light1();
  light2();
  light3();
  light4();
  light5();
  light6();
  // put your main code here, to run repeatedly:
 

}
void light1(){
digitalWrite(led_1,1);
  delay(1000);
  digitalWrite(led_1,0);
  delay(1000);
}
void light2(){
digitalWrite(led_2,1);
  delay(1000);
  digitalWrite(led_2,0);
  delay(1000);
}
 void light3(){
digitalWrite(led_3,1);
  delay(1000);
  digitalWrite(led_3,0);
  delay(1000);
}
void light4(){
digitalWrite(led_4,1);
  delay(1000);
  digitalWrite(led_4,0);
  delay(1000);
}
void light5(){
digitalWrite(led_5,1);
  delay(1000);
  digitalWrite(led_5,0);
  delay(1000);
}
void light6(){
digitalWrite(led_6,1);
  delay(1000);
  digitalWrite(led_6,0);
  delay(1000);
}