listAppointments=[]
class Appointment():
    def __init__(self):
        self._description=""
        self._listAppointments=[]
    def setDescription(self,x):
        self._description=x
    def occursOn(self,year,month,day):
        oa=1
class Onetime(Appointment):
    def __init__(self,year,month,day,reason):
        super().__init__()
        self._year=year
        self._month=month
        self._day=day
        self._reason=reason
    def setDate(self):
        year=str(self._year)
        month=str(self._month)
        day=str(self._day)
        reason=str(self._reason)
        stringDate=str(month)+str(day)+str(year)
        if len(listAppointments)==0:
            listAppointments.append(stringDate+reason)
        else:
            found = False
            counter = 0
            while found==False and counter<len(listAppointments):
                if listAppointments[counter][:6]==stringDate:
                    found=True
                    if len(stringDate)==6:
                        b=listAppointments[counter]
                        b=b+reason
                        listAppointments[counter]=b
                else:
                    listAppointments.append(stringDate+reason)
                    found=True

                counter+=1
class Daily():
    def __init__(self,year,month,day,reason):
        super().__init__()
        self._year=year
        self._month=month
        self._day=day
        self._reason=reason
    def setDate(self):
        year=str(self._year)
        month=str(self._month)
        day=str(self._day)
        reason=str(self._reason)
        for i in range (0,1000):
            dayInt=int(day)
            dayInt=dayInt+1
            day=str(dayInt)
            if dayInt>30:
                day=0
                month+=1
                if month>12:
                    year+=1
                    stringDay=str(month)+str(day)+str(year)
                    if len(listAppointments) == 0:
                        listAppointments.append(stringDate + reason)
                    else:
                        found = False
                        counter = 0
                        while found == False and counter < len(listAppointments):
                            if listAppointments[counter][:6] == stringDate:
                                found = True
                                if len(stringDate) == 6:
                                    b = listAppointments[counter]
                                    b = b + reason
                                    listAppointments[counter] = b
                            else:
                                listAppointments.append(stringDate + reason)
                                found = True

                            counter += 1

            stringDate=1
dentist=Onetime("19","03","19","BOBS BURGERS")
dentistry=Onetime("19","03","19","DENTIST")
school=Onetime("20","11","20","SCHOOL DAY")
dentist.setDate()
dentistry.setDate()
school.setDate()
school2=Daily("07","23","19","SCHHOOOOL")
school2.setDate()
print(listAppointments)