def addLog(self, l: Log):
# find the year
if l.getYear() not in self._yearlyLogs:
self._yearlyLogs[l.getYear()] = YearlyLog(l.getYear())
yearLog = self._yearlyLogs[l.getYear()]
# find the month
if l.getMonth() not in yearLog.getMonthlyLogs():
yearLog.getMonthlyLogs()[l.getMonth()] = MonthlyLog(
l.getMonth(), l.getYear())
monthLog = yearLog.getMonthlyLogs()[l.getMonth()]
# find the day
if l.getDay() not in monthLog.getDailyLogs():
monthLog.getDailyLogs()[l.getDay()] = DailyLog(
l.getDay(), l.getMonth(), l.getYear())
dailyLog = monthLog.getDailyLogs()[l.getDay()]
# add
dailyLog.addLog(l)
def removeLog(self, l: Log):
dailyLog = self.getDailyLog(l.getDay(), l.getMonth(), l.getYear())
dailyLog.removeLog(l)
