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Improve your coding skills with interactive practice problems and an integrated compiler. Choose a language to get started or jump right into our practice sheets.

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HTML & CSS

Build static pages and sharpen your frontend basics with exercises covering layouts, forms and more.

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Java

Practice object‑oriented fundamentals, loops and conditionals with short challenges.

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Python

Hone your Python skills through quick exercises on data types, functions and simple algorithms.

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C++

Work on your C++ basics, loops and object‑oriented concepts to gain confidence in systems programming.

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