Create a file called classes1.py and save it to your cs100/classes folder.
# create the class
class Student:
    def __init__(self, name, graduation_year):
        self.name = name
        self.graduation_year = graduation_year
        self.test_scores = [0, 0, 0]  # initialize scores to zero
    def add_test_score(self, test_number, score):
        if test_number < 1 or test_number > 3:
            raise ValueError("Invalid test number")
        self.test_scores[test_number - 1] = score
    def average_score(self):
        return sum(self.test_scores) / len(self.test_scores)
    def __str__(self):
        return f"{self.name} ({self.graduation_year}) - Avg score: {self.average_score():.2f}"
class StudentList:
    def __init__(self):
        self.students = []
    def add_student(self, student):
        self.students.append(student)
    def get_students_by_year(self, year):
        return [s for s in self.students if s.graduation_year == year]
    def get_top_performers(self, n=5):
        sorted_students = sorted(self.students, key=lambda s: s.average_score(), reverse=True)
        return sorted_students[:n]
    def __str__(self):
        return "\n".join(str(s) for s in self.students)
# example usage:
if __name__ == "__main__":
    # create some students
    alice = Student("Alice", 2022)
    bob = Student("Bob", 2021)
    charlie = Student("Charlie", 2022)
    # add some test scores
    alice.add_test_score(1, 90)
    alice.add_test_score(2, 85)
    bob.add_test_score(1, 80)
    bob.add_test_score(2, 75)
    charlie.add_test_score(1, 95)
    charlie.add_test_score(2, 90)
    # create a student list and add the students
    student_list = StudentList()
    student_list.add_student(alice)
    student_list.add_student(bob)
    student_list.add_student(charlie)
    # print the list of students
    print(student_list)
    # print the students graduating in 2022
    print("Students graduating in 2022:")
    for s in student_list.get_students_by_year(2022):
        print(f" - {s.name}")
    # print the top performers
    print("Top performers:")
    for i, s in enumerate(student_list.get_top_performers()):
        print(f"{i+1}. {s.name} ({s.average_score():.2f})")
2. Modify the script to input student name and score values.
Submit your working classes1.py to Moodle.