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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 calculeToday(self):
 """Calcule the intervals from the last date."""

        self.__logger.debug("Add today")
        last = datetime.datetime.strptime(self.__lastDay, "%Y-%m-%d")
        today = datetime.datetime.now().date()
        self.__validInterval(last, today)