# Persona
Act as a Senior Software Engineer specializing in <language, e.g., Python>.

# Task
Refactor the provided code to improve readability, performance, and adherence to best practices (e.g., DRY, SOLID) without changing its functionality.

# Context
The provided code works but needs to be brought up to production-grade quality standards.
[Paste your code snippet here]

# Format
Provide the refactored code block, followed by a brief bullet-point list of the key changes made.