创建一个Teacher类 ü是People的子类，新增属性school ümoveto方法改为newschool ü按照school排序 ü创建4个教师对象，放到列表进行排序

创建一个名为`Teacher`的类，它是`People`类的子类，我们会在其中添加一个新的属性`school`。同时，我们将更新`moveTo`方法为`newSchool`，使其接受新的学校信息。为了能够按照`school`属性进行排序，我们可以重写`__lt__`方法，让Python的内置排序函数能工作。以下是这个类的实现：

class People:
    def __init__(self):
        pass

class Teacher(People):
    def __init__(self, name, age, school):
        super().__init__()
        self.name = name
        self.age = age
        self.school = school

    def newSchool(self, new_school):
        self.school = new_school

    def __lt__(self, other):
        return self.school < other.school

# 创建四个教师对象，并设置各自的学校
teacher1 = Teacher("张三", 30, "A校")
teacher2 = Teacher("李四", 25, "B校")
teacher3 = Teacher("王五", 35, "C校")
teacher4 = Teacher("赵六", 28, "D校")

# 将教师对象放入列表并按school排序
teachers = [teacher1, teacher2, teacher3, teacher4]
sorted_teachers = sorted(teachers)

# 打印排序后的教师列表
for teacher in sorted_teachers:
    print(f"{teacher.name} from {teacher.school}")