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f93cce66a6
* some pytest on math folder * Run the test function via a doctest Also format the code with psf/black as discussed in CONTRIBUTING.md * Update abs.py * Update average_mean.py
29 lines
464 B
Python
29 lines
464 B
Python
"""Absolute Value."""
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def abs_val(num):
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"""
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Find the absolute value of a number.
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>>> abs_val(-5.1)
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5.1
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>>> abs_val(-5) == abs_val(5)
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True
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>>> abs_val(0)
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0
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"""
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return -num if num < 0 else num
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def test_abs_val():
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"""
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>>> test_abs_val()
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"""
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assert 0 == abs_val(0)
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assert 34 == abs_val(34)
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assert 100000000000 == abs_val(-100000000000)
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if __name__ == "__main__":
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print(abs_val(-34)) # --> 34
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