int ledPins[7]={19,18,5,17,16,4,0};
byte buttonpin_1 = 12;
boolean ledstate=false;
void setup()
{
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
   pinMode(buttonpin_1, INPUT_PULLUP);
  for (int i = 0; i < 7; i++)
  {
    pinMode(ledPins[i], OUTPUT);
  }
}

void loop() {
 
  // put your main code here, to run repeatedly:
  byte buttonStatus1 = digitalRead(buttonpin_1);
  Serial.print("buttonStatus1 : ");
  Serial.println(buttonStatus1);
  delay(1000);
  if(buttonStatus1==LOW)
  {
     calloff();
      ledstate=!ledstate;
    Serial.println(ledstate);
    if(ledstate)
    {
    digitalWrite(ledPins [0], HIGH);
    digitalWrite(ledPins [1], HIGH);
    digitalWrite(ledPins [6], HIGH);
    digitalWrite(ledPins [2], HIGH);
    digitalWrite(ledPins [3], HIGH);
    delay(1000);
    }
  else
  {
    calloff();
  digitalWrite(ledPins[5], HIGH);
  digitalWrite(ledPins[1], HIGH);
  digitalWrite(ledPins[6], HIGH);
  digitalWrite(ledPins[2], HIGH);
  delay(1000); // this speeds up the simulation
  }
  }
}
void calloff()
{
  for (int i = 0; i < 7; i++)
  {
    digitalWrite(ledPins[i], LOW);
  }
}