#define led_pin1 2
#define led_pin3 5
#define led_pin4 6
// static
int ledpins[] = {2, 5, 6, };
int led_number = 4;

// blinking
int led7 = 7; 
int led3 = 3; 

// flicker
int led4 = 4;
#define led_pin2 4

// blaster
const int buttonPin = 9;
int oldValue = LOW;
#define led_pin5 8


void setup() 
{
  // put your setup code here, to run once:
  // the array elements are numbered from 0 to (pinCount - 1).
  // use a for loop to initialize each pin as an output:
  pinMode(buttonPin, INPUT);
  pinMode(led_pin5, OUTPUT);
    //blinking
    pinMode(led7, OUTPUT);
    pinMode(led3, OUTPUT);
    //flicker
    pinMode(led4, OUTPUT);


  for (int i = 0; i < led_number; i++) {
    pinMode(ledpins[i], OUTPUT);
}
}


void loop() 
{
    {
    digitalWrite(led_pin1, HIGH);
    digitalWrite(led4, HIGH);
    digitalWrite(led_pin3, HIGH);
    digitalWrite(led_pin4, HIGH);

    digitalWrite(led7,!digitalRead(led7));
        delay(150);

    digitalWrite(led3,!digitalRead(led3));
        delay(300);
    }
  // Read the value of pin 8.
  int newValue = digitalRead(buttonPin);

  // Check if the value was changed,
  // by comparing it with the previous value.
  if(newValue != oldValue)
  {
    if(newValue == HIGH)
    {
      Serial.println("The button is pressed.");
      digitalWrite(led_pin5, HIGH);
    }
    else
    {
      Serial.println("The button is released.");
      digitalWrite(led_pin5, LOW);
    }
    // Remember the value for the next time.
    oldValue = newValue;
  }

 }