Stdle #123 · iteration · 2026-10-07
What does puts [1, 2, 3].map.with_index { |x, i| "#{i}:#{… output?
A past puzzle — fully playable. 4 attempts, hints on wrong guesses.
puts [1, 2, 3].map.with_index { |x, i| "#{i}:#{x}" }.inspectIteration