Glebokiegardlogrubyfiutgrupowanakorytarzu20 Better =link= ❲HIGH-QUALITY❳

At its core, group_by takes a collection and splits it into a Hash where the keys are the result of the block, and the values are arrays of elements matching that key.

(Logging)

If it's complex, try to break it down into smaller parts. Solve one part at a time. glebokiegardlogrubyfiutgrupowanakorytarzu20 better