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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.

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

    Over 3950 questions for you to practice. Come and join one of the largest tech communities with hundreds of thousands of active users and participate in our contests to challenge yourself …

  3. 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.

  4. Programming Tutorials and Practice Problems - HackerEarth

    Practice programming skills with tutorials and practice problems of Basic Programming, Data Structures, Algorithms, Math, Machine Learning, Python. HackerEarth is a global hub of 5M+ …

  5. Programiz: Learn to Code for Free

    Learn to code in Python, C/C++, Java, and other popular programming languages with our easy to follow tutorials, examples, online compiler and references.

  6. 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.

  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. 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 …

  9. Practice | GeeksforGeeks | A computer science portal for geeks

    Explore coding challenges, practice problems, and structured courses to enhance your programming skills on GeeksforGeeks.

  10. 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 …