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+---
+layout: default
+title: Codility
+link: https://app.codility.com/programmers/
+categories: [ruby, puzzles]
+level: [beginner, intermediate, advanced]
+instruction: [online, code, text, puzzles]
+price: [free]
+image:
+---
+
+Discover the ins and outs of coding by taking our hands-on coding lessons. Select Ruby as a programming language for selected task and develop your programming skills.