auto save

diy2.py

@@ -4,9 +4,14 @@ class Hero:
         self.name=name
         self.hp=hp
         self.attack=attack
+    def upgrade(self):
+        self.level=self.level+1
+        self.hp=self.hp+50
+        self.attack=self.attack+4
 yase=Hero('yase',300,20)
 hy=Hero('hy',250,23)
 k=Hero('K',5600,199)
 print(yase.attack)
 print(hy.attack)
-print(k.attack)
\ No newline at end of file
+print(k.attack)
+