class Student(object):    def __init__(self, name: str, score: int = 0):        self.name = name        self.score = score    def print_score(self):        print('Student %s\t\tScore:%s' % (self.name, self.score))    def get_grade(self):        if self.score >= 90:            return 'A'        elif self.score >= 80:            return 'B'        else:            return 'C'student = Student('Arbee')student2 = Student('Norzen', 123)s_class = Student.__class__print(student.__class__ == s_class)print(s_class)print(student)student.print_score()student.name = 'fevfafdszs'print(student.name)student.print_score()student2.print_score()print(student2.get_grade())