class Student: def __init__(self, name, dorm): self.name = name self.dorm = dorm def main(): students = [ Student("Stelios", "Branford"), Student("Maria", "Cabot"), Student("Anushree", "Ezra Stiles"), Student("Brian", "Winthrop") ] print("Before:") for student in students: print(f"{student.name} from {student.dorm}") students = sorted(students, key=None) # TODO print("After:") for student in students: print(f"{student.name} from {student.dorm}") if __name__ == "__main__": main()