const int ledPin = 4; //sets ledPin variable as a constant integer of 4
int delayPeriod = 0; //sets initial delayPeriod to 1000ms or 1s
int timerTimer = 0;
void setup()
{
  pinMode(ledPin, OUTPUT); //sets ledPin to output
}

void loop()
{
delayPeriod = (timerTimer < 1000)?delayPeriod = 10 : delayPeriod = 50;
timerTimer = timerTimer + 1;
flash()
}

void flash()
{
   digitalWrite(ledPin, HIGH); //sets ledPin to High (5V)
   delay(delayPeriod); //delay
   digitalWrite(ledPin, LOW);//set ledPin to Low (0V)
   delay(delayPeriod); //delay
   
}