HackerRank is a platform designed to help you improve your coding skills by solving coding problems and challenges. It’s essential to practice and learn on your own to build a strong foundation in programming.

If you’re looking to improve your Python skills on HackerRank, here are some general tips:

1. Start with Easy Problems: Begin with the easier problems on the platform to get familiar with the problem-solving process and Python syntax.
2. Read the Problem Statement Carefully: Make sure you fully understand the problem before attempting to solve it. Identify the input format, output format, and any constraints.
3. Plan Your Approach: Think about the different algorithms or data structures that could be applied to solve the problem efficiently.
4. Write Modular Code: Break down the problem into smaller subproblems and write modular, reusable functions.
5. Test Your Code: After writing the code, test it with different test cases to ensure it produces the correct output.
6. Optimize: If your initial solution works but is slow, try optimizing it to run within the given time constraints.
7. Learn from Others: Even though I can’t provide solutions directly, you can learn a lot by examining the solutions of others on the platform after you’ve attempted a problem.
8. Practice Regularly: The more you practice, the better you’ll get at problem-solving and coding in Python.

Remember, the real value of platforms like HackerRank comes from the learning process and the skills you develop along the way. Happy coding!