diff --git a/31-trinity/README.md b/31-trinity/README.md
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+++ b/31-trinity/README.md
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+Style #31
+==============================
+
+Constraints:
+
+- The application is divided into three components: the model, the
+  view and the controller. The model represents the application's
+  data; the view represents a specific rendition of the data; the
+  controller provides for input/output, for populating/updating the
+  model and for invoking the right view.
+
+Possible names:
+
+- Trinity
+- Model/View/Controller
+
diff --git a/31-trinity/tf-31.py b/31-trinity/tf-31.py
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+++ b/31-trinity/tf-31.py
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+#!/usr/bin/env python
+
+import sys, re, operator, collections
+
+#
+# Model
+#
+class WordFrequencies:
+    """ Models the data. In this case, we're only interested 
+    in words and their frequencies as an end result """
+    _freqs = {}
+    def __init__(self, path_to_file):
+        stopwords = set(open('../stop_words.txt').read().split(','))
+        words = re.findall('[a-z]{2,}', open(path_to_file).read().lower())
+        self._freqs = collections.Counter(w for w in words if w not in stopwords)
+
+    def word_freqs_sorted(self):
+        """
+        Returns the list of the most frequently-occuring words, sorted
+        """
+        return sorted(self._freqs.iteritems(), key=operator.itemgetter(1), reverse=True)
+
+#
+# View
+#
+class WordFrequenciesView:
+    _freqs = None
+
+    def __init__(self, freqs):
+        self._freqs = freqs
+
+    def render(self):
+        for (w, c) in self._freqs.word_freqs_sorted()[:25]:
+            print w, '-', c
+
+#
+# Controller
+#
+wfmodel = WordFrequencies(sys.argv[1])
+wfview = WordFrequenciesView(wfmodel)
+wfview.render()