During October 2025, Chia-Chun Hsia developed key CuFile I/O enhancements for the NVIDIA/cuda-python repository, focusing on handwritten bindings for cuFileRead and cuFileWrite. Leveraging Python, Cython, and CUDA, Chia-Chun implemented a comprehensive testing suite that included data integrity checks, internal validation, and statistics collection to ensure robust and reliable read/write operations. The work also introduced full test coverage for CUDA 13.0, validating compatibility and performance across the CuFile I/O API. This feature-rich contribution addressed both functional and quality aspects, resulting in a thoroughly tested, high-performance I/O layer that strengthens the reliability of CUDA-based Python workflows.