//Define pins
const int led1 = 2;
const int led2 = 3;
const int led3 = 4;
const int led4 = 5;
const int led5 = 6;
const int switchPin = 7;

//Define variables
int switchState = 0;

void setup() {
  //Set pins to output
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  pinMode(led5, OUTPUT);
  pinMode(switchPin, INPUT);
}

void loop() {
  //Read switch state
  switchState = digitalRead(switchPin);

  //If switch is on, turn on LEDs
  if (switchState == HIGH) {
    digitalWrite(led1, HIGH);
    delay(200);
    digitalWrite(led2, HIGH);
    delay(200);
    digitalWrite(led3, HIGH);
    delay(200);
    digitalWrite(led4, HIGH);
    delay(200);
    digitalWrite(led5, HIGH);
    delay(200 );
  }
  //If switch is off, turn off LEDs
  else {
    digitalWrite(led1, LOW);
    delay(200);
    digitalWrite(led2, LOW);
    delay(200);
    digitalWrite(led3, LOW);
    delay(200 );
    digitalWrite(led4, LOW);
    delay(200);
    digitalWrite(led5, LOW);
    delay(200 );

  }
}