code: def CreateDynamicDisplayAdSettings(client, opener):
    
    media_service = client.GetService('MediaService', 'v201809')
  
    logo = {
        'xsi_type': 'Image',
        'mediaId': _CreateImage(media_service, opener, 'https://goo.gl/dEvQeF')
    }
  
    dynamic_settings = {
        'landscapeLogoImage': logo,
        'pricePrefix': 'as low as',
        'promoText': 'Free shipping!'
    }
  
    return dynamic_settings
docs: Creates dynamic display ad settings.
  
    Args:
      client: an AdWordsClient instance.
      opener: an OpenerDirector instance.
  
    Returns:
      A dict containing the dynamic display ad settings.