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predict · objects

Two names, and a push through one of them.

Answer before anything runs. Then the machine runs it, and you can step through what it did.

const tags = ["urgent"];
const copy = tags;
copy.push("billing");
const count = tags.length;
What does `count` hold when the program has finished?
Put the names that point at the same object into the same group
name12
tags
copy