Definition: The term "rethreads" is used in the context of computer programming to refer to a list or array that contains duplicate elements. In other words, it's like having a list with duplicates but not all duplicates are repeated. For example, if you have an array called "numbers", and you want to re-arrange its contents so that all numbers appear only once, you could create a new array called "repeated" like this: ```javascript var numbers = [1,
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