I Asked AI to 'Refactor This Nicely' and Got Unwanted Decimals and Dataclasses

📰 Dev.to · Ken Imoto

Learn how to effectively refactor code using AI tools and avoid common pitfalls like unwanted decimals and dataclasses.

intermediate Published 1 May 2026

Action Steps

Refactor a sample code using Claude Code or similar AI tool
Analyze the refactored code for unwanted decimals and dataclasses
Apply manual adjustments to correct the issues
Test the refactored code for functionality and performance
Compare the results with the original code to evaluate the improvements

Who Needs to Know This

Developers and software engineers can benefit from this lesson to improve their code refactoring skills and learn how to work effectively with AI tools.

Key Insight

💡 AI-powered code refactoring can introduce unexpected changes, so it's essential to review and adjust the output carefully.