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Example of Multilevel Inheritance in Python (2)

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mahmoud2506
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2022-05-20
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Python Multilevel Inheritance:

Multilevel inheritance in programming (general in object-oriented program). When a base class is derived by a derived class which is derived by another class, then it is called multilevel inheritance.

The below diagram will make things clearer,

All Classes & methods used in the program:  

  • Class: Student
    • Method: getStudentInfo() : gets student's roll number and name from user.
    • Method: printStudentInfo() : prints student's roll number and name.
  • Class: Bsc
    • Method: getBsc() : gets student's marks from user.
    • Method: putPerks() : prints student's marks.
    • Method: calcTotalMarks() : returns the sum of marks.
  • Class : Result
    • Method: getResult() : gets student's information and calculate total marks.
    • Method: printResult() : prints prints student information.
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mahmoud2506
2022-05-20
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Program to illustrate multilevel inheritance in Python

class Student:
    def getStudentInfo(self):
        self.__rollno=input("Enter Roll Number: ")
        self.__name=input("Enter Name: ")

    def printStudentInfo(self):
        print("Roll Number : ", self.__rollno, "Name : ", self.__name)

class Bsc(Student):
    def getBsc(self):
        self.getStudentInfo()
        self.__p = int(input("Enter Physics Marks: "))
        self.__c = int(input("Enter Chem Marks: "))
        self.__m = int(input("Enter Maths Marks: "))

    def printBsc(self):
         self.printStudentInfo()
         print("Marks in different Subjects : ", self.__p,self.__c,self.__m)

    def calcTotalMarks (self):
        return(self.__p+self.__m+self.__c)

class Result(Bsc):
    def getResult(self):
        self.getBsc()
        self.__total=self.calcTotalMarks()

    def putResult(self):
        self.printBsc()
        print("Total Marks out of 300 : ", self.__total)

student = Result()
student.getResult()
student.putResult()

Output:

Enter Roll Number: 101
Enter Name: Shivang Yadav
Enter Physics Marks: 65
Enter Chem Marks: 78
Enter Maths Marks: 80
Roll Number :  101 Name :  Shivang Yadav
Marks in different Subjects :  65 78 80
Total Marks out of 300 :  223

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