The method getSpeed() is used to retrieve the value of the speed attribute in a program. It returns the current speed of an object or entity.
Think of getSpeed() as checking your car's speedometer. Just like you can look at your car's dashboard to see how fast you're going, getSpeed() allows you to access and display the current speed of an object in your program.
setSpeed(): This method is used to change or update the value of the speed attribute.
accelerate(): This method increases the speed of an object by a certain amount.
decelerate(): This method decreases the speed of an object by a certain amount.
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