Q:

Arrays of Objects Example in Python

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mahmoud2506
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2022-05-20
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We need to store details of multiple students in an array of objects. And then print the students' results.

Problem Description: We will take the students' details, (roll number, name, marks in physics, chemistry and maths) from users for multiple students as required by users. And the print the result that displays student's roll number, name and percentage ( sum of all marks  / 300 * 100).

Algorithm:

  • Step 1: Create a class named Student to store student information.
  • Step 2: Take inputs from the user, and store it into an array of objects using getStudentInfo() method.
  • Step 3: After the user has entered all student's information. Print the result.
  • Step 4: The result printed as roll number, name, and percentage using printResult() method.
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mahmoud2506
2022-05-20
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Program to illustrate arrays of Objects in Python

class Student:
    def GetStudentInfo(self):
        self.__rollno = input("Enter Roll Number ")
        self.__name = input("Enter Name ")
        self.__physics = int(input("Enter Physics Marks "))
        self.__chemistry = int(input("Enter Chemistry Marks "))
        self.__maths = int(input("Enter Math Marks "))
    def printResult(self):
        print(self.__rollno,self.__name, ((int)( (self.__physics+self.__chemistry+self.__maths)/300*100 )))

StudentArray = []

while(True):
    student = Student()
    student.GetStudentInfo()
    StudentArray.append(student)
    ch = input("Add More y/n?")
    if(ch=='n'):break

print("Results : ")

for student in StudentArray:
    student.printResult()

Output:

Enter Roll Number 001
Enter Name John
Enter Physics Marks 87
Enter Chemistry Marks 67
Enter Math Marks 90
Add More y/n?y
Enter Roll Number 002
Enter Name Jane
Enter Physics Marks 54
Enter Chemistry Marks 87
Enter Math Marks 98
Add More y/n?n
Results : 
001 John 81
002 Jane 79

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