content: import React from 'react';
  import ReactDOM from 'react-dom';
  import App from './Components/App';
  
  let data = [
      ['A', 'B', 'C'],
      ['1', '2', '3'],
      ['X', 'Y', 'Z']
  ];
  
  ReactDOM.render(
      <App data={data} />,
      document.getElementById('app')
  );
  