# 定义一个名为Student的类，继承自Person类
class Student(Person):
# 类属性
school = "MIT"

# 构造方法
def __init__(self, name, age, major):
# 调用父类的构造方法
super().__init__(name, age)

# 实例属性
self.major = major

# 实例方法
def 征服Python类与对象，掌握面向对象编程的利器 study(self):
print(f"{self.name} is studying {self.major} at {self.school}.")

# 创建Student类的实例
student1 = Student("John", 25, "Computer Science")

# 调用实例方法
student1.greet()
student1.study()