title: Dash Application Python Button for refresh the page
body: <p>is there a possibility to write a callback function in Dash (Python) for a button to reload the page (like the updatebutton from the browser?</p>
  
  <pre><code>app.layout =html.Div([
              html.Button(id="refresh"),
              ])
  
  @app.callback(Output('???', '???'),
                [Input('refresh', 'n_clicks')])
  def refresh(n):
  
  ?
  return
  ?
  </code></pre>