ch01-12: clean up by @eumiro

09-closure-deco/fibo_demo_cache.py

@@ -0,0 +1,15 @@
+import functools
+
+from clockdeco import clock
+
+
+@functools.cache  # <1>
+@clock  # <2>
+def fibonacci(n):
+    if n < 2:
+        return n
+    return fibonacci(n-2) + fibonacci(n-1)
+
+
+if __name__ == '__main__':
+    print(fibonacci(6))