Stdle #147 · hashes · 2026-10-31
What does this Ruby snippet output?
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
h = {a: 1, b: 2, c: 3, d: 4}puts h.filter_map { |k, v| "#{k}!" if v.even? }.inspectHashes
Stdle #147 · hashes · 2026-10-31
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
h = {a: 1, b: 2, c: 3, d: 4}puts h.filter_map { |k, v| "#{k}!" if v.even? }.inspect