Day 12: Inheritance

Problem Link

• HackerRank Problem Link

Solution

• In Python Language

Inheritance.py

class Person:
	def __init__(self, firstName, lastName, idNumber):
		self.firstName = firstName
		self.lastName = lastName
		self.idNumber = idNumber
	def printPerson(self):
		print("Name:", self.lastName + ",", self.firstName)
		print("ID:", self.idNumber)

class Student(Person):
    #   Class Constructor
    #   
    #   Parameters:
    #   firstName - A string denoting the Person's first name.
    #   lastName - A string denoting the Person's last name.
    #   id - An integer denoting the Person's ID number.
    #   scores - An array of integers denoting the Person's test scores.
    #
    # Write your constructor here
    

    #   Function Name: calculate
    #   Return: A character denoting the grade.
    #
    # Write your function here
    def printPerson(self):
        print("Name:", self.lastName + ",", self.firstName)
        print("ID:", self.idNumber)


class Student(Person):
    def __init__(self, firstName, lastName, idNumber, testScores):
        super().__init__(firstName, lastName, idNumber)
        self.testScores = testScores

    def calculate(self):
        total = 0

        for testScore in self.testScores:
            total += testScore

        avg = total / len(self.testScores)

        if 90 <= avg <= 100:
            return 'O'
        if 80 <= avg < 90:
            return 'E'
        if 70 <= avg < 80:
            return 'A'
        if 55 <= avg < 70:
            return 'P'
        if 40 <= avg < 55:
            return 'D'
        return 'T'
    

line = input().split()
firstName = line[0]
lastName = line[1]
idNum = line[2]
numScores = int(input()) # not needed for Python
scores = list( map(int, input().split()) )
s = Student(firstName, lastName, idNum, scores)
s.printPerson()
print("Grade:", s.calculate())