Learn how to write

Clean and maintainable code

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Weekly Coding Challenges

You will receive a weekly coding* challenge via email. Each challenge is short (30min to 60min) designed to teach you how to write clean and maintainable code.

Submit Your Solution

Get feedback from other developers and improve your solution. There is always something you can learn and improve. You can also share your knowledge with others by giving them feedback.

Vote on Your Favorites

Encourage and help others by voting on their solution. This helps developers find good examples of clean and maintainable code.