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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 count(self, eventRegistry):
 """ return the number of events that match the criteria """

        self.setRequestedResult(RequestEventsInfo())
        res = eventRegistry.execQuery(self)
        if "error" in res:
            print(res["error"])
        count = res.get("events", {}).get("totalResults", 0)
        return count