code: def GetFeedItems(client, feed):
    
    feed_item_service = client.GetService('FeedItemService', 'v201809')
  
    feed_items = []
    more_pages = True
  
    selector = {
        'fields': ['FeedItemId', 'AttributeValues'],
        'predicates': [
            {
                'field': 'Status',
                'operator': 'EQUALS',
                'values': ['ENABLED']
            },
            {
                'field': 'FeedId',
                'operator': 'EQUALS',
                'values': [feed['id']]
            }
        ],
        'paging': {
            'startIndex': 0,
            'numberResults': PAGE_SIZE
        }
    }
  
    while more_pages:
      page = feed_item_service.get(selector)
  
      if 'entries' in page:
        feed_items.extend(page['entries'])
  
      selector['paging']['startIndex'] += PAGE_SIZE
      more_pages = selector['paging']['startIndex'] < int(page['totalNumEntries'])
  
    return feed_items
docs: Returns the Feed Items for a given Feed.
  
    Args:
      client: an AdWordsClient instance.
      feed: the Feed we are retrieving Feed Items from.
  
    Returns:
      The Feed Items associated with the given Feed.