text: import { initPressNumber } from "./pressNumber.js"
  import { initPressOperation } from "./pressOperation.js"
  import { initPressAC } from "./pressAC.js"
  
  export const calculator = document.querySelector(".calculator");
  export let output = document.querySelector("#total");
  export var input_flag = [0, 0, 0];
  
  const init = () => {
      initPressOperation();
      initPressAC();
      initPressNumber();
  }
  
  init();