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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 4000 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. 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.

  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 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.

  6. Coding Practice | Coding Challenges - InterviewBit

    Level up your programming skills with our comprehensive guide containing interview questions, practice problems, coding challenges and alot more.

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

    Build Your Skills for Free. Advance your career by learning in-demand skills in Programming, DevOps, Cybersecurity, AI Engineering, and English for Developers. Join our vibrant learning …