Python Day 12: Inheritance

You are given two classes, Person and Student, where Person is the base class and Student is the derived class. Completed code for Person and a declaration for Student are provided for you in the editor. Observe that Student inherits all the properties of Person.



  1. class Person:

  2. 	def __init__(self, firstName, lastName, idNumber):

  3. 		self.firstName = firstName

  4. 		self.lastName = lastName

  5. 		self.idNumber = idNumber

  6. 	def printPerson(self):

  7. 		print("Name:", self.lastName + ",", self.firstName)

  8. 		print("ID:", self.idNumber)

  9. 

  10. class Student(Person):

  11.     def __init__(self, firstName, lastName, idNumber, testScores):

  12.         super().__init__(firstName, lastName, idNumber)

  13.         self.testScores = testScores

  14. 

  15.     def calculate(self):

  16.         total = 0

  17. 

  18.         for testScore in self.testScores:

  19.             total += testScore

  20. 

  21.         avg = total / len(self.testScores)

  22. 

  23.         if 90 <= avg <= 100:

  24.             return 'O'

  25.         if 80 <= avg < 90:

  26.             return 'E'

  27.         if 70 <= avg < 80:

  28.             return 'A'

  29.         if 55 <= avg < 70:

  30.             return 'P'

  31.         if 40 <= avg < 55:

  32.             return 'D'

  33.         return 'T'    

  34. 

  35. line = input().split()

  36. firstName = line[0]

  37. lastName = line[1]

  38. idNum = line[2]

  39. numScores = int(input()) # not needed for Python

  40. scores = list( map(int, input().split()) )

  41. s = Student(firstName, lastName, idNum, scores)

  42. s.printPerson()

  43. print("Grade:", s.calculate())
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