### objectToPairs Creates an array of key-value pair arrays from an object. Use `Object.keys()` and `Array.map()` to iterate over the object's keys and produce an array with key-value pairs. ```js const objectToPairs = obj => Object.keys(obj).map(k => [k, obj[k]]); ``` ```js objectToPairs({ a: 1, b: 2 }); // [['a',1],['b',2]] ```