int num = 0;
int ledred = 1;
void setup () {
  Serial.begin(9600);
  Serial.println("counting number of LED rounds done");
}

void loop() {
  for (int i = 0; i <= 9; i++) {
    digitalWrite(i, 1);
    delay(100);
    digitalWrite(i, 0);
  }
  //counts 1 digit up every time the red LED turns on
  if (ledred = 1) {
    num = num + 1;
    Serial.println(num);
  }
}