code: def _CreateFeedItems(client, feed_details, label_name):
    
    # Get the FeedItemService.
    feed_item_service = client.GetService('FeedItemService', version='v201809')
  
    # For page feed URL recommendations and rules, see:
    # https://support.google.com/adwords/answer/7166527
    urls = ('http://www.example.com/discounts/rental-cars?id={feeditem}',
            'http://www.example.com/discounts/hotel-deals?id={feeditem}',
            'http://www.example.com/discounts/flight-deals?id={feeditem}')
  
    # Create the operation.
    operations = [{
        # Create the feed item.
        'operand': {
            'feedId': feed_details.feed_id,
            'attributeValues': [
                {
                    'feedAttributeId': feed_details.url_attribute_id,
                    'stringValues': [url]
                },
                {
                    'feedAttributeId': feed_details.label_attribute_id,
                    'stringValues': [label_name]
                }
            ]
        },
        'operator': 'ADD'
    } for url in urls]
  
    # Add the feed item.
    feed_item_service.mutate(operations)
docs: Creates the page URLs in the DSA page feed.
  
    Args:
      client: an AdWordsClient instance.
      feed_details: a _DSAFeedDetails instance.
      label_name: a str containing the page feed URL label.