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Just learning #Python... it doesn't have constants? Really? And you're supposed to simulate them by using a naming convention? You're kidding me, right?
Not sure exactly what you're getting at; there are various approaches. If you want #symbolic #constants, use the enum module/base class, and you can have constants of any flavour you like, protected from assignment. It's in the standard library and highly recommended.
If, on the other hand, you're trying to protect the user from themselves, you can create an #object that represents a #value but which resists changing value - but you can't prevent the user assigning to a name.
[...]
i.e. the user can do `x = your_immutable_object`, and the user can't change the object - but they can assign a different object to the name `x`.
That `x` belongs to them; it's part of their #namespace, so that seems reasonable.
What is the problem you're trying to solve, and what exactly do you mean by "constant" in regards to that problem?