auto save

test1.py

+class Person:
+    def __init__(self,name,age):
+        self.name=name 
+        self.age=age
+class Teacher(Person):
+    def __init__(self,name,age,subject):
+        self.subject=subject
+    def skill(self,subject):
+        print('教'+subject)
+teacher=Teacher('王老师',25,'英语')
+teacher.skill('英语')
+class Student(Teacher):
+    def __init__(self,namee,age,subjct):
+        super().skill(subject)
+        print('学习'+subject)
+xiaoli=Student('小李',12,'英语')
+xiaoli.skill('英语')
+