To answer that question, let's revisit one of the very first ideas we learned in this series.
This article assumes you're already comfortable writing simple Python programs and know the basics (if, for, functions, and lists). Here we're not learning how to use Python—we're learning why it behaves the way it does.
Try to guess what this code prints.
numbers = [1, 2, 3]
other = numbers
del numbers
It almost looks as if Python somehow 'links' variables together. But that's not what's happening.
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