Quick Question

Projects Programming
7 
  int switchState = 0;
  
  void setup() {
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(2, INPUT);
  }
  void loop() {
  int swichState = digitalRead(2);
  // comment
  if (switchState == LOW) {
  // the butten is not pressed
  digitalWrite(3, HIGH); // yellow led
  digitalWrite(4, LOW); // red led
  digitalWrite(5, LOW); // blue led
  }
  else { // the button is pressed
  digitalWrite(3, LOW); // yellow led
  digitalWrite(4, LOW); // red led
  digitalWrite(5, HIGH); // blue led
  delay(250); // wait for a quarter second
  // toggle the leds
  digitalWrite(4, HIGH); // yellow led
  digitalWrite(5, LOW); // red led
  delay(250); // wait for a quarter second
  }
  } // go back to the begining of the loop