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How does Python's name and object reference model work?

Q: How does Python's name and object reference model work?

Python has **no variables in the C sense** — there are **objects** (which hold the value and type, on the heap) and **names** that are just labels **bound** to objects. Assignment **never copies**; it points a name at an object: names a b heap object <text class

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Names, objects, and binding.

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PYAliasing via id(): two names, one object

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