FAQ: Object-Oriented Programming II - Module Magic

This community-built FAQ covers the “Module Magic” exercise from the lesson “Object-Oriented Programming II”.

Paths and Courses
This exercise can be found in the following Codecademy content:

Learn Ruby

FAQs on the exercise Module Magic

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The instruction hint says:

Remember, you can create a module simply by typing rb module ModuleName end

What’s going on with the rb command? Is this a vestige of a previous form of this exercise that is no longer necessary, or will this addition be important when working with Ruby in other application contexts?