code: def remove_port(uri):
      
      new_netloc = uri.netloc.split(':')[0]
      new_uri = uri._replace(netloc=new_netloc)
      return new_uri.geturl()
docs: Remove the port number from a URI
  
      :param uri: full URI that Twilio requested on your server
  
      :returns: full URI without a port number
      :rtype: str