text: import React, { Component } from 'react'
  
  export class Nav extends Component {
      render() {
          return (
              <div>
                  <ul>
                      <li><a href="/">Home</a></li>
                      <li><a href="/about">About us</a></li>
                      <li><a href="/contact-us">Contact us</a></li>
                  </ul>
              </div>
          )
      }
  }
  
  export default Nav
  