Catalan numbers: Difference between revisions

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@@ Line 1,600: / Line 1,600: @@
 def memoize(func):
-    func.__cache = {}
+    cache = {}
     def memoized(key):
         # Returned, new, memoized version of decorated function
-        cache = func.__cache
         if key in cache:
             return cache[key]
@@ Line 1,635: / Line 1,634: @@
         fmt = '%-10s %-10s %-10s'
         print ((fmt % tuple(c.__name__ for c in defs)).upper())
-        print (fmt % tuple(['='*10]*3))
+        print (fmt % (('='*10,)*3))
         for r in zip(*results):
             print (fmt % r)