作者：刘禹博         更新时间：2024-07-07 12:02          浏览：632次         点赞：1次          热度：20

class School: sum_member=0 def __init__(self,name): self.name=name School.sum_member+=1 print('学校新成员叫'+self.name) print('共有'+str(School.sum_member)+'人') def hello(self): print('大家好，我叫'+self.name) def __del__(self): School.sum_member-=1 print('学校还剩下'+str(School.sum_member)+'人') #--------------------------------------------------------------- class Teacher(School): def __init__(self,name,grade): School.__init__(self,name) self.grade=grade def hello(self): School.hello(self) print('我是老师，我带的班级是'+self.grade) def __del__(self): School.__del__(self) #--------------------------------------------------------------- class Stu(School): def __init__(self,name,score): School.__init__(self,name) self.score=score def hello(self): School.hello(self) print('我是学生，我的成绩是'+self.score) def __del__(self): School.__del__(self) #--------------------------------------------------------------- a=Teacher('王瑞','高二三班') a.hello() t=Stu('小明','0分') t.hello() a=Teacher('王瑞','高二三班') a.hello() t=Stu('小明','0分') t.hello()