Return your first value
Difficulty: Easy
Return the integer 7. Keep the supplied function wrapper; replace only its return expression. Printing is not the answer.
The function wrapper is supplied. Change the expression after return; the runner calls solve for you. Comments beginning with # do not run.
Examples
7Constraints
Use only the supplied arguments. Preserve inputs. Unless stated otherwise, numbers have magnitude at most 10000 and collections/text have at most 100 items/code points. Return the stated JSON-compatible result; no input(), files, network, or external packages.
Review lesson: Running code, values, and outputA little nudge
Reveal one hint at a time. Give yourself a moment to try it.
Worked solution
Try your own approach first, then compare the reasoning.
Complexity
Ready when you are
Write your solution, then run it against the practice tests.
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