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BUGFIX: 3-arg subtraction was not implemented. #102

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5 changes: 5 additions & 0 deletions src/calc_test.py
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,11 @@ def test_sub_2arg(self):
# Make sure 4 - 3 = 1
self.assertEqual(sub(4, 3), 1, 'subtracting three from four')


def test_sub_3arg(self):
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LGTM

# Make sure 4 - 3 - 1 = 0
self.assertEqual(sub(4, 3, 1,), 0, 'subtracting three and on from four')


if __name__ == '__main__':
unittest.main()