Пример #1
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 def test_4_pick_2(self):
     self.assertEqual(wordlib.permutations(4, 2), 12)
Пример #2
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 def test_n_pick_n(self):
     self.assertEqual(wordlib.permutations(5,5), 120)
Пример #3
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 def test_n_pick_1(self):
     self.assertEqual(wordlib.permutations(5, 1), 5)