Question 1 of 5
What does sorted([3, 1, 2]) return?
sorted creates a new list in sorted order.
sorted([3, 1, 2]) returns [1, 2, 3].
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Quiz
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Test your knowledge: Python Sorting with sorted()
Check your understanding of sorted(), key functions, reverse ordering, stable sorting, and list.sort().
5 questions
~3 min
Beginner
Knowledge check
Test your knowledge: Python Sorting with sorted()
Check your understanding of sorted(), key functions, reverse ordering, stable sorting, and list.sort().
- Stuck? Each question has an optional hint.
- Skip a hard question and review it before your results.
- Questions and answer options can shuffle between attempts.
You can retake this quiz whenever you like.
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Question 2 of 5
What does the key argument do when sorting?
Think about what Python compares to decide order.
The key callable produces a comparison value for each item; the original items remain in the result.
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Question 3 of 5
Which call requests descending order for the numbers [2, 5, 1]?
reverse is a Boolean keyword-only argument.
reverse=True requests the opposite of the normal ascending order.
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Question 4 of 5
What happens when two items have equal sort keys in sorted()?
Stable sorting preserves the order of equal-key items.
Python sorting is stable, so equal-key items retain their original relative order.
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Question 5 of 5
Which statement correctly contrasts sorted() and list.sort()?
One is a function for iterables; the other is a list method.
sorted() returns a new list and accepts any iterable; list.sort() mutates the existing list and returns None.
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Quiz results
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What does sorted([3, 1, 2]) return?Hint used
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What does the key argument do when sorting?Hint used
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Which call requests descending order for the numbers [2, 5, 1]?Hint used
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What happens when two items have equal sort keys in sorted()?Hint used
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Which statement correctly contrasts sorted() and list.sort()?Hint used