Nested Route in react-router-dom v4+

gistfile1.txt

"react-router": "^1.0.3",
"react-router-dom": "^5.2.0",
    
import {BrowserRouter as Router, Route, Link, Switch} from 'react-router-dom';

// Nested Route 
ReactDOM.render(
  (
  <Router>
    <Switch>
      <Route path="/tv/show/:id" component={Show} />
      <Route exact path="/tv" component={TV} />
      <Route exact path="/" component={App}/>
    </Switch>
  </Router>
  ), document.getElementById('root')
);