Start with the topic guide.
This Ruby micro-course focuses on Function arguments and return values. The practice brief below is available while the full tutorial is prepared.
This is a learning outline. A complete worked tutorial has not been published for this topic yet.
Practice brief
Demonstrate function arguments and return values in a focused Ruby example; verify normal behavior and one edge or failure case. Keep the exercise bounded and record the behavior supported by the chosen version.
Evidence to produce
Focused working example and verification evidence