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Marcin Michalik6,505 Points
Is this a simpler way?
Why we have to use a set method?
Can't we just add owner like that?
ernie.owner = 'Ashley';
It will give the same result, it will add key owner to ernie with value Ashley.
Steven Parker225,712 Points
You're right, another method could be used just to set the value. A setter would likely be used in real life in more complex situations. They probably kept the example simple to not distract from the syntax of creating a setter, which is the point of the lesson.