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pythonNull / UndefinedHard

next() explodes when nothing matches

Time: 0:00

What it should do

first_match(items, target) should return the first matching item, or -1 when there is no match.

What goes wrong

first_match([1, 2, 3], 5) raises StopIteration instead of returning -1.

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Hints

This is a null and undefined errors bug

Cannot read properties of undefined, NoneType has no attribute, NaN appearing from nowhere.

Learn the null and undefined errors pattern

next() explodes when nothing matches — Python debugging challenge | BugHunt