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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 ProduceEventTag(self, event_tag):
 """Produces an event tag. Args: event_tag (EventTag):
 event tag. """

    self._storage_writer.AddEventTag(event_tag)

    self.number_of_produced_event_tags += 1

    self.last_activity_timestamp = time.time()