save project

diy.py

@@ -3,14 +3,14 @@ class A():
         self.age=age
         self.height=height
         self.weight=weight
+    def increase(self):
+        self.age=self.age+1
+        self.height=self.height+10
+        self.weight=self.weight+20
 
 B=A(12,123,1234)
 C=A(34,456,4567)
 
-def increase():
-    B.age=B.age+1
-    B.height=B.height+10
-    B.weight=B.weight+20
 
-increase()
+B.increase()
 print(B.weight)
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