void setup(){
Serial.begin(115200);
Serial.println("hello,ESP32");
pinMode(18, OUTPUT);
pinMode(23, OUTPUT);
pinMode(34, INPUT);
pinMode(35, INPUT);
}

void loop()
{
  if( digitalRead(34)== 1)
  { 
    digitalWrite(18, LOW);
  }
  else
  {
    digitalWrite(18, HIGH);
  }
  
  if(digitalRead(35)==1 )
  {
   digitalWrite(23, LOW);
  }
  else
  {
   digitalWrite(23, HIGH);
  }
}