I have been using Codefights for a few months and ...

I have been using Codefights for a few months and it has tremendously helped me in sharpening my coding skills. The challenges are diverse and well-structured, covering a range of difficulty levels. The user interface is user-friendly and the platform is easy to navigate. The community is also very helpful and I have received valuable guidance from fellow users. Codefights is definitely a great resource for any programmer looking to improve their skills.