updated from Atlas

attic/decorators/stacked_demo.py

@@ -0,0 +1,27 @@
+def d1(f):
+    def wrapped():
+        print('d1/wrapped')
+        return f()
+    return wrapped
+
+
+def d2(f):
+    def wrapped():
+        print('d2/wrapped')
+        return f()
+    return wrapped
+
+
+@d1
+@d2
+def f():
+    print('f')
+
+f()
+
+def g():
+    print('g')
+
+g = d1(d2(g))
+
+g()