A class variable is a variable that is shared among all instances (objects) of a class in object-oriented programming. It is defined within a class but outside any instance methods, and it typically has a single value that is common to all instances of that class. Here are some key points about class variables: 1. **Shared Among Instances**: Class variables are shared across all instances of the class. If one instance modifies the class variable, the change is reflected in all other instances.
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