OOP

class Question(object): # set methods present
    def __init__(self):
        pass
    def SetQuestion(self,To=None,Q=None,T=None,M=0,A=None): #initialising parameters
        self._Topic=To
        self._QuestionID=Q
        self._Text=T
        self._Mark=M
        self._Answer=A
    def GetQuestion(self): #outputs questionID with text of a particular question
        print(self._QuestionID)
        print(self._Text)
    def GetMarks(self): #prints marks allocated for a particular question
        print(self._Mark)
    def GetTopic(self): #prints the topic of a particular question
        print(self._Topic)
    def GetAnswer(self): #prints the answer for a particular question
        print(self._Answer)
class Test(object):
    def __init__(self): #set methods present
        pass
    def DesignTest(self,T=None,L=None,D=None,QuestList=[Question for i in range(10)]): #initialising parameters
        self._TestID=T
        self._DateSet=D
        self._Level=L
        self._Questions=QuestList
        self._Number=len(Questions)
        self._MaxMarks=0
        for Q in self._Questions: #calculates total marks for a question paper
           self._MaxMarks+=Q._Mark
    def PrintTest(self): #prints test data
        print("Test:\t",self._TestID)
        print("Date Set:\t",self._DateSet)
        print("Level set:\t",self._Level,"\n")
        print("Number of questions:\t",self._Number)
        print("Total marks available:\t",self._MaxMarks,"\n")
        for i in range(self._Number): #prints daa for individual questions
            print("Question ID:\t",self._Questions[i]._QuestionID)
            print("Question body:\t",self._Questions[i]._Text)
            print("Marks allocated:\t",self._Questions[i]._Mark,"\n")
    def PrintAnswers(self):
        for i in range(self._Number):
            print(self._Questions[i]._Answer)

def CreateQuestion(QObject): #Procedure to create instance of class question
    QuestionID=input("Enter question ID:")
    Topic=input("Enter question topic:")
    Text=input("Enter question text:")
    Answer=input("Enter answer for question:")
    while True: #Exception handling for mark
        try:
            Mark=input("Enter appropriate mark for question:")
            Mark=int(Mark)
            break
        except ValueError:
            print("Mark entered is not and integer please try again")
    QObject.SetQuestion(Topic,QuestionID,Text,Mark,Answer)

def CreateTest(TObject,QuestList=[Question for i in range(10)]):
    TestID=input("Enter test ID:")
    Level=input("enter level (A or S or G):")
    while (Level=="A") or (Level=="S") or (Level=="G"):
        break #Allow process to continue
    else:
        print("Level invalid, please re-input")
        Level=input("enter level (A or S or G):")
    Date=input("Enter the date the test was set in format dd/mm/yyyy:")
    TObject.DesignTest(TestID,Level,Date,QuestList)