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48 lines
961 B
Python
48 lines
961 B
Python
# doctest example
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# Sebastian Raschka 11/19/2013
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def subtract(a, b):
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"""
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Subtracts second from first number and returns result.
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>>> subtract(10, 5)
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5
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>>> subtract(11, 0.7)
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10.3
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"""
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return a-b
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def hello_world():
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"""
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Returns 'Hello, World'
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>>> hello_world()
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"Hello, World"
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>>> hello_world()
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'Hello, World'
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"""
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return "Hello, World"
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if __name__ == "__main__": # is 'false' if imported
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import doctest
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doctest.testmod()
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""" RESULTS
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sebastian ~/Desktop> python3 doctest_example.py
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**********************************************************************
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File "doctest_example.py", line 17, in __main__.hello_world
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Failed example:
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hello_world()
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Expected:
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"Hello, World"
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Got:
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'Hello, World'
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**********************************************************************
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1 items had failures:
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1 of 2 in __main__.hello_world
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***Test Failed*** 1 failures.
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sebastian ~/Desktop>
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"""
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