def test_sentence(self):
     sentence = "Hooligans defaced the cafe."
     self.assertEqual(hexadecimal(sentence.replace(' ', '\n')),
                      ['defaced', 'cafe'])
 def test_cog(self):
     self.assertEqual(hexadecimal('cog'), [])
 def test_deed(self):
     self.assertEqual(hexadecimal('deed'), ['deed'])
 def test_cab(self):
     self.assertEqual(hexadecimal('cab'), ['cab'])
 def test_bed(self):
     self.assertEqual(hexadecimal('bed'), ['bed'])
 def test_sentence(self):
     sentence = "Hooligans defaced the cafe."
     self.assertEqual(
         hexadecimal(sentence.replace(' ', '\n')),
         ['defaced', 'cafe']
     )
 def test_deed(self):
     self.assertEqual(hexadecimal('deed'), ['deed'])
 def test_cog(self):
     self.assertEqual(hexadecimal('cog'), [])
 def test_bed(self):
     self.assertEqual(hexadecimal('bed'), ['bed'])
 def test_cab(self):
     self.assertEqual(hexadecimal('cab'), ['cab'])