The Python Quiz | What is the output of the following code snippet? l = [[1, 2, 3], [4, 5, 6], [7], [8, 9]] [item for sublist in l for item in sublist]

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Question #96

What is the output of the following code snippet?

l = [[1, 2, 3], [4, 5, 6], [7], [8, 9]]
[item for sublist in l for item in sublist]

[item for sublist in l for item in sublist] is a list comprehension. It iterates over every element in the sublists of l and creates a new flat list with them. (stackoverflow.com/questions/952914/how-to-make-a-flat-lis...)

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What is the output of the following code snippet?
l = [[1, 2, 3], [4, 5, 6], [7], [8, 9]]
[item for sublist in l for item in sublist]

[[1, 2, 3], [4, 5, 6], [7], [8, 9]]

[1, 2, 3, 4, 5, 6, 7, 8, 9]

[[1, 2, 3, 4, 5, 6, 7, 8, 9]]

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