Answer :
The reason why mutator methods usually return the value None is because it is not required to return any value
What is a Mutator Method?
This refers to a computer science method that is used to make changes to the values of a variable.
Hence, we can note that the reason why this mutator method usually returns the value None is that it is not required to return any value and that it is simply a modulator or regulator.
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The reason why mutator methods usually return the value None is because the method does not require a return in value but modifies a variable value.
What is a Mutator Method?
This is a method in computer science where changes are controlled into a variable. They are widely known and refereed to as a setter method.
The mutator method usually returns the value None is that it is not required to return any value but instead it modifies a variable value.
Read more about mutator method here:
https://brainly.com/question/14307424