content: import React from 'react';
  import ReactDOM from 'react-dom';
  import Component from './src/Component_1.js';
  class Hello extends React.Component {
      render() {
        return (< div >
          < h1 > HELLO WORLD < /h1> < Component / >
          < /div>);
      }
  }
  
  ReactDOM.render(<Hello/>, document.getElementById('container'));
  