//Tugas Sesi 6 David Giofani
#include <Keypad.h>
#include <LiquidCrystal_I2C.h>
#include <Wire.h>
LiquidCrystal_I2C lcd(0x27,16,2);
const byte baris = 4;
const byte kolom = 4;

char keys[baris][kolom] = {
  {'1', '2', '3', '/'}
  {'4', '5', '6', 'x'}
  {'7', '8'. '9', '-'}
  {'C', '0', '=', '+'}
}
byte PinBaris[baris] = {13, 12, 14, 27 };
byte PinKolom[kolom]

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}