python unittest

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https://docs.python.org/3.3/library/unittest.html

import randomimport unittestclass TestSequenceFunctions(unittest.TestCase):    def setUp(self):        self.seq = list(range(10))    def test_shuffle(self):        # make sure the shuffled sequence does not lose any elements        random.shuffle(self.seq)        self.seq.sort()        self.assertEqual(self.seq, list(range(10)))        # should raise an exception for an immutable sequence        self.assertRaises(TypeError, random.shuffle, (1,2,3))    def test_choice(self):        element = random.choice(self.seq)        self.assertTrue(element in self.seq)    def test_sample(self):        with self.assertRaises(ValueError):            random.sample(self.seq, 20)        for element in random.sample(self.seq, 5):            self.assertTrue(element in self.seq)if __name__ == '__main__':    unittest.main()

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