During January 2025, Andy contributed to the StanFromIreland/cpython repository, focusing on backend development with Python. He addressed a stability issue in the REPL’s terminal user experience by implementing a bug fix that restores terminal control characters to their original state upon exit. This solution prevents the terminal from remaining in an unintended mode after the REPL session ends, ensuring consistent behavior across different environments. Andy’s work required a detailed understanding of terminal control and Python’s interaction with system-level interfaces. While the contribution was limited to a single bug fix, it demonstrated careful attention to user experience and cross-platform reliability.