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Figure 9 . Question 3 Python module named Py1359_1720r_03.py.
def sum(parA,parB): return parA + parBdef product(parC,parD): return parC * parD
Figure 10 . Question 3 test code named Py1359_1720r_03.txt.
>>>from Py1359_1720r_03 import sum>>>sum(2,3) 5>>>from Py1359_1720r_03 import product>>>product(2,3) 6
Figure 11 . Question 3 execution command.
python -m doctest -v Py1359_1720r_03.txt
Figure 12 . Question 3 possible output.
Trying: from Py1359_1720r_03 import sumExpecting nothing okTrying: sum(2,3)Expecting: 5ok Trying:from Py1359_1720r_03 import product Expecting nothingok Trying:product(2,3) Expecting:6 ok1 items passed all tests: 4 tests in Py1359_1720r_03.txt4 tests in 1 items. 4 passed and 0 failed.Test passed.

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Question 4

True or False? Given the Python module shown in Figure 13 , execution of the module as a script using the command shown in Figure 14 produces the output shown in Figure 15 .

Figure 13 . Question 4 Python module named Py1359_1720r_04.py.
""" Begin first test>>>sum(2,3) 5Begin second test>>>product(2,3) 6""" def sum(parA,parB):return parA + parB def product(parC,parD):return parC * parD if __name__ == "__main__":import doctest doctest.testmod()
Figure 14 . Question 4 execution command.
python Py1359_1720r_04.py -v
Figure 15 . Question 4 possible output.
Trying: sum(2,3)Expecting: 5ok Trying:product(2,3) Expecting:6 ok2 items had no tests: __main__.product__main__.sum 1 items passed all tests:2 tests in __main__ 2 tests in 3 items.2 passed and 0 failed. Test passed.

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Question 5

True or False? Given the Python module shown in Figure 16 , execution of the module as a script using the command shown in Figure 17 produces the output shown in Figure 18 .

Figure 16 . Question 5 Python module named Py1359_1720r_05.py.
""">>>divide(2,3) 0>>>divide(2,0) Traceback (most recent call last):... ZeroDivisionError: integer division or modulo by zero""" def divide(parA,parB):return parA//parB if __name__ == "__main__":import doctest doctest.testmod()
Figure 17 . Question 5 execution command.
python Py1359_1720r_05.py -v
Figure 18 . Question 5 possible output.
Trying: divide(2,3)Expecting: 0ok Trying:divide(2,0) Expecting:Traceback (most recent call last): ...ZeroDivisionError: integer division or modulo by zero ok1 items had no tests: __main__.divide1 items passed all tests: 2 tests in __main__2 tests in 2 items. 2 passed and 0 failed.Test passed.

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Question 6

True or False? Given the Python module shown in Figure 19 , execution of the module as a script using the command shown in Figure 20 produces the output shown in Figure 21 .

Figure 19 . Question 6 Python module named Py1359_1720r_06.py.
""">>>function(11) Traceback (most recent call last):... ValueError: par must be<= 10 """def function(par): if par>10: raise ValueError("par must be<= 10") else:return par if __name__ == "__main__":import doctest doctest.testmod()

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Source:  OpenStax, Itse 1359 introduction to scripting languages: python. OpenStax CNX. Jan 22, 2016 Download for free at https://legacy.cnx.org/content/col11713/1.32
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