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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def CreateFeedItemAddOperation(name, price, date, ad_customizer_feed):
 """Creates a FeedItemOperation. The generated FeedItemOperation will create a FeedItem with the specified values when sent to FeedItemService.mutate. Args: name: the value for the name attribute of the FeedItem. price: the value for the price attribute of the FeedItem. date: the value for the date attribute of the FeedItem. ad_customizer_feed: the AdCustomizerFeed we're associating the FeedItems with. Returns: A new FeedItemOperation for adding a FeedItem. """

  feed_item = {
      'feedId': ad_customizer_feed['feedId'],
      'attributeValues': [
          {
              'feedAttributeId': ad_customizer_feed['feedAttributes'][0]['id'],
              'stringValue': name
          },
          {
              'feedAttributeId': ad_customizer_feed['feedAttributes'][1]['id'],
              'stringValue': price
          },
          {
              'feedAttributeId': ad_customizer_feed['feedAttributes'][2]['id'],
              'stringValue': date
          }
      ]
  }

  operation = {
      'operator': 'ADD',
      'operand': feed_item
  }

  return operation