save project

diy.py

@@ -4,12 +4,13 @@ class Hero:
         self.name=name
         self.hp=hp
         self.attack=attack
+    def upgrade():
+        self.level=self.level+1
+        self.hp=self.hp+50
+        self.attack=self.attack+4
 yase=Hero("yase",300,20)
 hpuyi=Hero("houyi",300,20)
-def upgrade():
-    self.level=self.level+1
-    self.hp=self.hp+50
-    self.attack=self.attack+4
-upgrade()
+
+yase.upgrade()
 print(yase.hp)