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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 UpdateNumberOfEventTags( self, number_of_consumed_event_tags, number_of_produced_event_tags):
 """Updates the number of event tags. Args: number_of_consumed_event_tags (int):
 total number of event tags consumed by the process. number_of_produced_event_tags (int):
 total number of event tags produced by the process. Returns: bool: True if either number of event tags has increased. Raises: ValueError: if the consumed or produced number of event tags is smaller than the value of the previous update. """

    consumed_event_tags_delta = 0
    if number_of_consumed_event_tags is not None:
      if number_of_consumed_event_tags < self.number_of_consumed_event_tags:
        raise ValueError(
            'Number of consumed event tags smaller than previous update.')

      consumed_event_tags_delta = (
          number_of_consumed_event_tags - self.number_of_consumed_event_tags)

      self.number_of_consumed_event_tags = number_of_consumed_event_tags
      self.number_of_consumed_event_tags_delta = consumed_event_tags_delta

    produced_event_tags_delta = 0
    if number_of_produced_event_tags is not None:
      if number_of_produced_event_tags < self.number_of_produced_event_tags:
        raise ValueError(
            'Number of produced event tags smaller than previous update.')

      produced_event_tags_delta = (
          number_of_produced_event_tags - self.number_of_produced_event_tags)

      self.number_of_produced_event_tags = number_of_produced_event_tags
      self.number_of_produced_event_tags_delta = produced_event_tags_delta

    return consumed_event_tags_delta > 0 or produced_event_tags_delta > 0