Tag: Mutability

All the articles with the tag "Mutability".

• Throw Out the Box Model Before You Write Another Line of Python

  Published: Jul 20, 2026

  Four lines of Python that look like they print [1, 2, 3] actually print [1, 2, 3, 4] — and if that surprises you, the rest of the language will keep lying to you until you throw out the box model.