const int led1 = 2; 
const int led2 = 3; 
const int tombol1 = 4; 
const int tombol2 = 5; 


void setup() {
  pinMode(led1, OUTPUT); 
  pinMode(led2, OUTPUT);
  pinMode(tombol1, INPUT); 
  pinMode(tombol2, INPUT); 
}

void loop()
{
  
if(digitalRead(tombol1)==LOW){ 
    digitalWrite(led1, HIGH);
  }
  else { 
    digitalWrite(led1, LOW);
  }
if(digitalRead(tombol2)==LOW){ 
    digitalWrite(led2, HIGH);
  }
  else { 
    digitalWrite(led2, LOW);
  }
 
}