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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 event(self, event_name):
 """Register an event that occurred during processing of a task of the given type. Args: event_name: str A name for a type of events. Events of the same type are displayed as a single entry and a total count of occurences. """

        self._event_dict.setdefault(event_name, 0)
        self._event_dict[event_name] += 1
        self._log_progress_if_interval_elapsed()