save project

diy1.py

@@ -7,8 +7,8 @@ class Hero(object):
         self.name = name
         
     def upgrade():
-        yase.level = yase.level +1
-        yase.hp = yase.hp +50
-        yase.attack = yase.attack +4
+        self.level = self.level +1
+        self.hp = self.hp +50
+        self.attack = self.attack +4
 yase = Hero(1,300,20,'yase')
 hoyi = Hero(1,250,23,'hoyi')