def testFirstAgain(self):
     self.failUnless(first(list_chars), 'Z')
 def testFirstAgain(self):
     self.failUnless(first(list_chars), 'Z')
 def test_first(self):
     self.assertEqual(first(list_nums), 5)
 def test_first(self):
     self.assertEqual(first(list_nums), 5)