dicts are like Maps in JavaScript, so the type of a key matters. It enables usecases where your keys aren't always strings: >> bar = {1: "a", "1": "b"} >>

dicts are like Maps in JavaScript, so the type of a key matters. It enables usecases where your keys aren't always strings: >> bar = {1: "a", "1": "b"} >> bar[1] "a" >> bar["1"] "b"