Contributed to the picnixz/cpython repository by developing a Python-based utility that dynamically retrieves small integer constants from C header files, integrating this tool with existing build scripts to improve constant handling and static typing across the build system. Enhanced the continuous integration workflow by updating type checking configurations in YAML, ensuring better type safety for new scripts. In the python/typeshed repository, improved the accessibility of encoding alias information by re-exporting the encodings.aliases module, streamlining usability for downstream tools. Work focused on Python programming, build system tooling, and module management, delivering targeted improvements without introducing new bugs during the development period.