Assessment Questions for List Comprehension

Assessment questions for the list comprehension concept map.

Question 1: Given the following list comprehension, what will the resulting output be?

[x**2 for x in [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10] if x != 0 and x**2 < 10]

1. [0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100]
2. [1, 4, 9]
3. [1, 4, 9, 16, 25, 36, 49, 64, 81, 100]
4. [0, 1, 4, 9]

Question 2: Which list comprehension would produce the following result?

[‘a’, ‘aa’, ‘aaa’, ‘aaaa’]

1. [‘a’ * x for x in range(4)]
2. [x for x in [‘a’, ‘aa’, ‘aaa’, ‘aaaa’, ‘aaaaa’] if x < 5]
3. [‘a’ * x for x in range(1, 5)]
4. [x + ‘a’ for x in [‘a’, ‘aa’, ‘aaa’]]