Computer Science Foundations-Final Exam-May, 2025-Harris

Which of the following is the most accurate description of the purpose of the elif keyword in Python?

• It marks the beginning of an else block.

• It allows you to check multiple conditions in sequence, and if the preceding if or elif conditions are false, it evaluates its own condition.

• It is used to define a loop that continues as long as a condition is true.

• It signifies an error in the if statement.

In the following Python code, which keyword should fill the blank to check if both blue and green are true? if blue _______ green: print(f"You win 2 points!") else:

• or

• and

• not

• elif

What will be the last value printed by this while loop?

• 0

• 1

• 2

What will be the output of print(sum_comparator(1, 0, 3, 4))?

• 1

• 0

• 3

• 4

What will be the output of the first call to the function: print(print_and_increment(5))?

• 5

• 6

• None

• 0

In the Python function remove_first_and_last(the_list), what should replace the blanks in new_list[_______:_______] to remove the first and last elements from the list?

• 1, -1

• 0, -1

• 1, 0

• 0, 1

Which of the following is the correct way to return a new list in Python that excludes the first and last elements of the original list?

• new_list = the_list[1:-1]

• new_list = the_list[0:-1]

• new_list = the_list[1:0]

• new_list = the_list[0:1]

Given the function definition below, what will be the output of remove_first_and_last([10, 20, 30, 40])? def remove_first_and_last(the_list): new_list = the_list[:] return new_list[1:-1]

• [10, 40]

• [20, 30]

• [10, 20, 30, 40]

• [30, 40]

What will be the value of returned after the following code is executed: returned = remove_first_and_last([0, 1, 2, 3])?

• [0, 1, 2, 3]

• [1, 2]

• [0, 1, 2]

• [1, 2, 3]

What will be the output of print(f"The first string in {['elephant', 'cat', 'dog', 'cow']} that begins with 'c' is '{first_begins_with(['elephant', 'cat', 'dog', 'cow'], 'c')}'")?

• The first string in ['elephant', 'cat', 'dog', 'cow'] that begins with 'c' is 'elephant'

• The first string in ['elephant', 'cat', 'dog', 'cow'] that begins with 'c' is 'cat'

• The first string in ['elephant', 'cat', 'dog', 'cow'] that begins with 'c' is 'cow'

• The first string in ['elephant', 'cat', 'dog', 'cow'] that begins with 'c' is 'None'