auto save

diy2.py

@@ -10,3 +10,9 @@ k=Hero('K',5600,199)
 print(yase.attack)
 print(yase.attack)
 print(hy.attack)
 print(hy.attack)
 print(k.attack)
 print(k.attack)
+
+def upgrade():
+    yase.level=yase.level+1
+    yase.hp=yase.hp+50
+    yase.attack=yase.attack+4
+upgrade()
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