Add some Getters and Setters

The video tutorial explains the use of getters and setters in object-oriented programming to access and modify private attributes. It covers the implementation of these methods, including where to place them in the code, and discusses the importance of validation. The tutorial also highlights the need for getters and setters to be public and provides examples of how to use them in a class, specifically in the context of an LED blinker project.

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