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CS 1101 Final Exam. latest document 2021; correct answers on the exam questions.

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Question 1 Answer saved Marked out of 1.00 Flag question Question text After the Python code below has run, what happens if 'the_fle' does not already exist? try: fin = open('the_file', 'r') ... except: fin = open('the_file', 'w') fin.close() Select one: a. A run-time error is printed out b. An exception is printed out c. Nothing d. An empty fle is created e. Syntax error Question 2 Answer saved Marked out of 1.00 Flag question Question text The Python code below is an example of recursion: def fa(): fb() def fb():fa() fa() Select one: True False Question 3 Answer saved Marked out of 1.00 Flag question Question text Assume that d is a Python dictionary. What does the following Python code produce? d.items() Select one: a. a histogram b. an inverted dictionary c. a list of tuples d. a lookup e. a reverse lookup Question 4 Answer saved Marked out of 1.00 Flag question Question textGenerally speaking, flter list operations produce a diﬀerent number of list elements compared to map operations. Select one: True False Question 5 Answer saved Marked out of 1.00 Flag question Question text What is the output of the Python method call below? "bib".fnd('b', 1, 2) Select one: a. 0 b. 2 c. -1 d. syntax error e. 3 Question 6 Answer saved Marked out of 1.00 Flag question Question text To examine a program’s source code and analyze its syntactic structure is to: [Show More]

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