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  1. Online Coding Practice Problems & Challenges - CodeChef

    Practice over 5000+ problems in coding languages like Python, Java, JavaScript, C++, SQL and HTML. Start with beginner friendly challenges and solve hard problems as you become better. Use these …

  2. LeetCode - The World's Leading Online Programming Learning Platform

    Explore is a well-organized tool that helps you get the most out of LeetCode by providing structure to guide your progress towards the next step in your programming career. Over 4050 questions for you …

  3. Codewars - Achieve mastery through coding practice and …

    Challenge yourself on small coding exercises called "kata". Each kata is crafted by the community to help you strengthen different coding techniques. Master your current language of choice, or quickly …

  4. 10,000+ Coding Practice Challenges // Edabit

    Practice coding with fun, bite-sized challenges. Earn XP, unlock achievements and level up. It's like Duolingo for learning to code.

  5. Coding Practice: Problems & Challenges - Educative

    Frequently Asked Questions How can I start practicing coding as a beginner? Start by choosing a beginner-friendly language like Python or JavaScript. Learn the basics through hands-on practice …

  6. Online Coding Platform | Practice Coding and Get Instant Feedback

    An interactive platform to practice coding, generate programming questions, and receive instant feedback. Supports a wide range of programming languages including C, C++, Python, Java, …

  7. Exercism

    Get really good at programming. Develop fluency in 78 programming languages with our unique blend of learning, practice and mentoring. Exercism is fun, effective and 100% free, forever.

  8. Programming Tutorials and Practice Problems - HackerEarth

    Explore all the maths needed for your programming journey. Practice programming skills with tutorials and practice problems of Basic Programming, Data Structures, Algorithms, Math, Machine Learning, …

  9. Coding Games and Programming Challenges to Code Better

    CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics. Solve games, code AI bots, learn from your peers, have fun.

  10. Learn to Code — For Free — Coding Courses for Busy People

    You will learn to code by building dozens of projects, step-by-step, right in your browser, code editor, or mobile app. You will also earn free verified certifications along the way.