/*
 .--------------. || .--------------. || .--------------. |
| |      __      | || |  _________   | || |   ______     | |
| |     /  \     | || | |  _   _  |  | || |  |_   __ \   | |
| |    / /\ \    | || | |_/ | | \_|  | || |    | |__) |  | |
| |   / ____ \   | || |     | |      | || |    |  ___/   | |
| | _/ /    \ \_ | || |    _| |_     | || |   _| |_      | |
| ||____|  |____|| || |   |_____|    | || |  |_____|     | |
| |              | || |              | || |              | |
| '--------------' || '--------------' || '--------------' |
 '----------------'  '----------------'  '------------





*/
int leds[6] = {8,9,10,11,12,13};

void setup(){
  for (int arvind; arvind<sizeof(leds)/sizeof(int);arvind++){
    pinMode(leds[arvind],OUTPUT);
    delay(300);
  }
}

void loop(){
  digitalWrite(leds[random(0,sizeof(leds)/sizeof(int))],HIGH);
  delay(random(20,200));
  digitalWrite(leds[random(0,sizeof(leds)/sizeof(int))],LOW);
}

// answer name the variable used 
//write a code for int leds[10] = {7,6,5,4,8,9,10,11,12,13}; using variable i
//what is the meaning of size of (leds)
// are leds  blinking randomly or sequentially?