Programming Homework Help

Question 1 (10 points)

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Which of the following is the correct output from the following program?

sequence = [1, 4, 7, 10, 13]
for i in range(len(sequence)):
if i > 2:
sequence[i] = sequence[i] – sequence[i-2]
print(sequence)

Question 1 options:

	[1, 4, 7, 10, 6]
	[1, 4, 7, 6, 6]
	[1, 4, 6, 6, 6]
	[1, 4, 7, 10, 13]

Question 2 (10 points)

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Which of the following for loops will compute the sum of all the elements in the array numbers, assuming numbers has already been assigned a collection of numeric values?

Question 2 options:

	sum = 0 for i in range(len(numbers)): sum = numbers[i]
	sum = 0 for i in range(numbers): sum = numbers[i]
	sum = 0 for i in range(len(numbers)): sum = sum + i
	sum = 0 for i in range(len(numbers)): sum = sum + numbers[i]

Question 3 (10 points)

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Which of the following is the correct output from the following sequence of statements?

sequence = [0, 1, 1, 2, 3, 5, 8]
sequence[-3] = 0
print(sequence[5])

Question 3 options:

	5
	0
	3
	It generates an IndexError

Question 4 (10 points)

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Which of the following is the correct output from this sequence of statements?

letters = [‘a’, ‘b’, [‘c’, ‘d’, [‘e’, ‘f’]], ‘g’]
print(len(letters[2]))

Question 4 options:

	6
	4
	3
	7

Question 5 (10 points)

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Which of the following is the correct output from this sequence of statements?

digits = [‘1’, ‘2’, ‘3’, ‘4’, ‘5’, ‘6’]
digits.remove(‘2’)
third = digits.pop(3)
print(digits)

Question 5 options:

	[‘2’, ‘4’, ‘5’, ‘6’]
	[‘1’, ‘3’, ‘4’, ‘6’]
	[‘1’, ‘2’, ‘5’, ‘6’]
	[‘1’, ‘2’, ‘4’, ‘6’]

Question 6 (10 points)

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Which of the following is the correct output from this sequence of statements?

array1 = [1, 2, 3]
array2 = [2, 3]
print(array1 + array2 * 2)

Question 6 options:

	[1, 2, 3, 2, 3, 2, 3]
	[1, 2, 3]
	[1, 2, 3, 2, 3, 1, 2, 3, 2, 3]
	[1, 2, 3, 2, 3]

Question 7 (10 points)

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Which of the following is the correct output from this sequence of statements?

cubes = [1, 8, 27, 64, 125, 216]
cubes[3:5] = [1, 2]
print(cubes[2:6])

Question 7 options:

	[1, 2, 216]
	[8, 27, 1, 2]
	[8, 1, 2, 125]
	[27, 1, 2, 216]

Question 8 (10 points)

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Which of the following programs will output None?

Question 8 options:

	values = [7, 10, 13, 16] values.extend([1, 4]) values.sort() print(values)
	values = [7, 10, 13, 16] values.append(1) values.append(4) values.sort() print(values)
	values = [7, 10, 13, 16] values.sort() values.extend([1, 4]) print(values)
	values = [7, 10, 13, 16] values.append(1) values.append(4) print(values.sort())

Question 9 (10 points)

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Which of the following is the correct output from this sequence of statements?

numbers = [18, 27, 42, 13, 21, 8, 11]
print(sum(numbers) / len(numbers))

Question 9 options:

	42.0
	20.0
	7.0
	8.0

Question 10 (10 points)

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Which of the following is the correct output from this sequence of statements?

numbers = [1, 2, 3]
numbers.append(2)
numbers.sort()
print(numbers)

Question 10 options:

	[1, 2, 3, 2]
	[1, 2, 2, 3]
	None
	[1, 2, 3]