added chapter map to README

08-closure-deco/clockdeco.py

@@ -0,0 +1,15 @@
+# clockdeco.py
+
+import time
+
+
+def clock(func):
+    def clocked(*args):
+        t0 = time.time()
+        result = func(*args)
+        elapsed = time.time() - t0
+        name = func.__name__
+        arg_str = ', '.join(repr(arg) for arg in args)
+        print('[%0.8fs] %s(%s) -> %r' % (elapsed, name, arg_str, result))
+        return result
+    return clocked