Question: Regarding class variables, what statement is accurate? A class variable is only visible to a single instance of a class. A class variable is visible

Regarding class variables, what statement is accurate?
A class variable is only visible to a single instance of a class.
A class variable is visible only to methods inside a class.
A class variable is visible to all instances of a class, but can vary from instance to instance.
A class variable is visible to all instances of a class, and does not vary from instance to instance.
Regarding class variables, what statement is

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