[Solved] What does the Ruby method sort_by do? — Ans: Sorts elements based on a value you specify for each element. | Ruby

Ruby - Enumerable and Collection Processing

What does the Ruby method sort_by do?

ASorts elements based on a value you specify for each element.

BChanges the original array to a sorted one.

CRemoves duplicate elements from an array.

DReverses the order of elements in an array.

Step-by-Step Solution

Solution:

Step 1: Understand the purpose of sort_by
sort_by sorts elements by a value you choose for each element, like length or age.
Step 2: Compare with other array methods
Unlike sort!, sort_by returns a new sorted array without changing the original.
Final Answer:
Sorts elements based on a value you specify for each element. -> Option A
Quick Check:
sort_by sorts by chosen value [OK]

Quick Trick: Remember: sort_by sorts by a custom value, not in-place [OK]

Common Mistakes:

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What does the Ruby method sort_by do?