CSE 102 Exam 3 Practice

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Computers
•
University
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the correct way to open a file for reading in Python? (Assume there is a variable filename that contains the filename)
Back
with open(filename, 'r') as openFile:
2.
FLASHCARD QUESTION
Front
What is the correct syntax to define a user-defined function in Python? Options: function myFunction():, def myFunction():, create myFunction():, define myFunction():
Back
def myFunction():
3.
FLASHCARD QUESTION
Front
Which of the following is a valid way to create a dictionary in Python? Options: my_dict = {1, 2}, my_dict = [1: 'a', 2: 'b'], my_dict = {'a': 1, 'b': 2}, my_dict = {'a' =1, 'b' = 2}
Back
my_dict = {'a': 1, 'b': 2}
4.
FLASHCARD QUESTION
Front
Which function can be used to skip (and if desired gather) a row in a csv file? Options: next(), skip(), pass(), read()
Back
next()
5.
FLASHCARD QUESTION
Front
How do you read all lines from a text file into a list in Python?
Back
file.readlines()
6.
FLASHCARD QUESTION
Front
What is the correct way to update a value in a dictionary?
Back
7.
FLASHCARD QUESTION
Front
What is the difference between parameters and arguments?
Back
Parameters are the placeholders in the function definition and arguments are the values passed to the function when it is called.
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