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bpo-34637: Make the *start* argument for *sum()* visible as a keyword argument. (GH-9208)

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Raymond Hettinger 2018-09-12 10:54:06 -07:00 • committed by GitHub
parent 0fb9fadd3b
commit 9dfa0fe587
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5 changed files with 16 additions and 8 deletions
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Lib/test/test_builtin.py
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@ -1297,6 +1297,9 @@ class BuiltinTest(unittest.TestCase):
self.assertEqual(sum(iter(Squares(10))), 285)
self.assertEqual(sum([[1], [2], [3]], []), [1, 2, 3])
self.assertEqual(sum(range(10), 1000), 1045)
self.assertEqual(sum(range(10), start=1000), 1045)
self.assertRaises(TypeError, sum)
self.assertRaises(TypeError, sum, 42)
self.assertRaises(TypeError, sum, ['a', 'b', 'c'])