python类方法注意事项

class Person:
 
    # 类属性
    school = "中加枫华国际学校"
    tuition = 100000
    count = 0
 
    # 实例属性
    def __init__(self,name,age,gender):
        self.name = name
        self.age = age
        self.gender = gender
        Person.count = Person.count+1
 
    @classmethod
    def printSchool(cls):
        print(cls)
        print(cls.school)
 
    # 实例方法
    def get_score(self):
        print("姓名：{0}；年龄：{1}；性别：{2}".format(self.name,self.age,self.gender))
 
stu1 = Person("sue", 22, "male")
stu1.get_score()
Person.printSchool()