Python List Comprehension Review

What will the following list comprehension output?

squares = [x**2 for x in range(5)]

print(squares)

• [0, 1, 4, 9, 16]

• [1, 4, 9, 16, 25]

•  [0, 2, 4, 6, 8]

• [1, 3, 5, 7, 9]

What is the output of the following list comprehension?

vowels = ['a', 'e', 'i', 'o', 'u']
vowels2 = [vowel.upper() for vowel in vowels]

print(vowels2)

• ['a', 'e', 'i', 'o', 'u']

• ['A', 'E', 'I', 'O', 'U']

• ['a', 'E', 'i', 'O', 'u']

• ['A', 'e', 'I', 'o', 'U']

What is the output of the following list comprehension?

list1 = ['H', 'E', 'L', 'L', 'O']
list2 = [list1.lower() for letters in list1]

print(list2)

• ['H', 'E', 'L', 'L', 'O']

• ['h', 'e', 'l', 'l', 'o']

• ['h', 'E', 'l', 'L', 'o']

• ['H', 'e', 'l', 'L', 'o']

Which of the following is the output of the following code?

list1=[1,2,3,4,5]

list2 = [i + 5 for i in list1]

print(list2)

• [1, 2, 3, 4, 5]

• [6, 7, 8, 9, 10]

• [1, 2, 3, 4, 0]

• [0,0,0,0,1]

What will the following list comprehension output?

list = [x * x for i in range(3)]

print(list)

• [0, 1, 2]

• [0, 1, 4]

• [0, 1, 4, 9]

• It throws an error

What will the following list comprehension output?

list = [i * 10 for i in range(5)]

print(list)

• [0, 10, 20, 30, 40]

• [0, 5, 10, 15, 20]

• [0, 1, 2, 3, 4]

• [10, 10, 10, 10, 10]

What will the following list comprehension output?

l = [i * 2 for i in range(1, 6)]

print(l)

• [0, 2, 4, 6, 8, 10]

• [2, 4, 6, 8, 10]

• [1, 2, 3, 4, 5]

What will the following list comprehension output?

list = [x + 5 for x in range(5, 20, 5)]

print(list)

• [5, 10, 15, 20]

• [10, 15, 20]

• [5, 10, 15]

• [5, 10, 15, 20]

What does this program print?

numbers = [x + x for x in range(4)]

print(numbers)

• [0, 1, 2, 3, 4]

• [0, 1, 2, 3]

• [2, 4, 6, 8]

• [0, 2, 4, 6]

What does this program print?

numbers = [x % 2 == 0 for x in range(0, 6)]

print(numbers)

• [True, False, True, False, True, False]

• [0, 1, 0, 1, 0, 1, 0]

• [0, 1, 0, 1, 0, 1]

• [0, 1, 2, 3, 4, 5]