def testWeightedProb(self):
c = Classifier(getwords)
c.incc("Good")
c.incf("hello", "Good")
c.incc("Good")
c.incf("world", "Good")
c.incc("Good")
c.incf("world", "Good")
c.incc("Bad")
c.incf("world", "Bad")
self.assertEqual(c.weightedprob("world", "Good"), 5.0/8.0)
self.assertEqual(c.weightedprob("wurst", "Good"), 0.5)
