When comparing Python Challenge vs Hackr.io, the Slant community recommends Hackr.io for most people. In the question“What are the best resources to learn Python?” Hackr.io is ranked 10th while Python Challenge is ranked 14th. The most important reason people chose Hackr.io is:
Instead of getting a recommendation from a single dev, you get recommendation from the entire programming community.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Practical approach
The site simply presents a variety of interesting challenges that can be solved with a little bit of programming. (While any language works, the challenges work best with Python.)
Pro Community trust
Instead of getting a recommendation from a single dev, you get recommendation from the entire programming community.
Pro Recommendation for every programming language/framework/library
You can find Python as well as Jenkins.
Pro Nice filters
Free, Video, Book, Beginner, Advanced, etc.
Cons
Con Beginners will quickly find themselves overwhelmed
The levels get tricky pretty quickly for beginners. Additional resources will be required to pass all levels.