Renaming uninformative names like `optional_value`, `value`, `optional_values_vec` and `value` helps users distinguish between the two parts of the task.
* added option2 * changed up the exercise, modified the help section * Update exercises/option/option2.rs Co-Authored-By: fmoko <mokou@posteo.net> * Update exercises/option/option2.rs Co-Authored-By: fmoko <mokou@posteo.net> * Update exercises/option/option2.rs Co-Authored-By: fmoko <mokou@posteo.net> Co-authored-by: fmoko <mokou@posteo.net>