'use strict'; const riddles = require('./riddles.json'); function init() { const answers = new Map(); riddles.forEach((riddle) => { riddle.answers.forEach((answer) => { if (answers.has(answer)) { console.log(`Possible duplicate, answer '${answer}' for ${riddle.riddle} ||| ${answers.get(answer).riddle}`); } answers.set(answer, riddle); }); }); } init();