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- The function returns `None` if a `ValueError` is raised, allowing the caller to handle the error gracefully. 5. **Refactor Code for Clarity:** - The code is structured to clearly show the steps involved in ranking documents. - Descriptive variable names and comments are used to clarify the purpose of each operation. ### Additional Considerations 1. **Logging and Debugging:** - Add more detailed logging to capture the shapes of arrays before and after operations. - Use debugging tools to step through the code and inspect the state at runtime. 2. **Unit Tests:** - Write unit tests to verify that the ranking logic works correctly with different input dimensions. - Include edge cases in your tests to ensure robustness. 3. **Documentation:** - Document the expected dimensions and formats of input data to help prevent dimension mismatch errors in the future. By following these steps, you should be able to identify and resolve the dimension mismatch errors in your ranking logic. Let me know if you have any further questions or need additional enhancements!