auto save

diy.py

+class cat:
+	def __init__(self,type,color,price)
+	    self.footNum=4
+	    self.type=type
+	    self.color=color
+	    self.price=price
+	    self.many=many
+
+
+        def say_price(self):
+	    print("猫猫的价格为"+str(self.price)+"元"
+
+     animal=Cat("波斯猫","white",4000)
+     animal.say_price()
\ No newline at end of file

diy2.py

@@ -9,16 +9,16 @@ class Hero():
 
 
 
-    def upgrade():
-        self.level=yase.level+1
-        self.hp=yase.hp+50
-        self.attack=yase.attack+4
+    def upgrade(self):
+        self.level=self.level+1
+        self.hp=self.hp+50
+        self.attack=self.attack+4
 
 
 yase=Hero("亚瑟",300,20)
-dorl=upgrade()
-print("等级为：",dorl.level)
-print("血量为：",dorl.hp)
-print("攻击为：",dorl.attack)
+yase.upgrade()
+print("等级为：",yase.level)
+print("血量为：",yase.hp)
+print("攻击为：",yase.attack)