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Task/Verify-distribution-uniformity-Naive/Python/verify-distribution-uniformity-naive.py

@@ -0,0 +1,16 @@
+from collections import Counter
+from pprint import pprint as pp
+
+def distcheck(fn, repeats, delta):
+    '''\
+    Bin the answers to fn() and check bin counts are within +/- delta %
+    of repeats/bincount'''
+    bin = Counter(fn() for i in range(repeats))
+    target = repeats // len(bin)
+    deltacount = int(delta / 100. * target)
+    assert all( abs(target - count) < deltacount
+                for count in bin.values() ), "Bin distribution skewed from %i +/- %i: %s" % (
+                    target, deltacount, [ (key, target - count)
+                                          for key, count in sorted(bin.items()) ]
+                    )
+    pp(dict(bin))