save project

diy.py

@@ -4,5 +4,10 @@ class Hero:
         self.name = name
         self.hp = hp
         self.attack = attack
+
+def upgrade():
+    yase.hp += 50
+    yase.attack += 20
+    yase.level += 1
 yase = Hero("yase",300,20)
 houyi = Hero("houyi",250,23)
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