Over a two-month period, contributed to both the liguodongiot/transformers and marimo-team/marimo repositories by delivering targeted feature enhancements focused on flexibility and automation. In liguodongiot/transformers, introduced a new parameter to the Trainer class, enabling users to specify custom optimizers and their parameters at initialization, thereby improving model training workflows using PyTorch and Python. For marimo-team/marimo, developed a Playwright-based script to export notebooks as static HTML, streamlining documentation and content sharing. Work emphasized deep learning, scripting, and web development, with a focus on maintainable code and reproducible outputs. No bugs were fixed, as efforts centered on feature delivery.