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BUGFIX: Implement 3-arg subtraction #101

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BUGFIX: Implement 3-arg subtraction #101

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4201d95
BUGFIX: Implement 3-arg subtraction
May 4, 2023
b7cfcca
Updated calc.py added 3-arg sub function
Nesta3313 May 4, 2023
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3 changes: 3 additions & 0 deletions src/calc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -18,3 +18,6 @@ def sub(a, b):
```
"""
return a - b

def sub(a, b, c =0):
return a - b - c
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lgtm

4 changes: 4 additions & 0 deletions src/calc_test.py
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Expand Up @@ -17,6 +17,10 @@ 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):
self.assertEqual(sub(4, 3, 1), 0, 'subtracting three and one from four')



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