title: Convert the following urlString to encoded urlString in Swift 3.0
body: <p>The following <code>URL</code> need to be encode in Swift 3</p>
  
  <p><a href="https://maps.googleapis.com/maps/api/geocode/json?address=madhapur.%20Hyderabad" rel="nofollow noreferrer">https://maps.googleapis.com/maps/api/geocode/json?address=madhapur.%20Hyderabad</a></p>