Worked on the narwhals-dev/narwhals repository to enhance documentation for the Object dtype, focusing on clarifying its behavior across pandas, polars, and Apache Arrow. Developed a comprehensive docstring example that demonstrates usage with both pandas and polars, addressing the complexities of handling arbitrary Python objects in different data manipulation libraries. Applied Python documentation best practices and cross-library example design to improve API discoverability and onboarding for new developers. The work emphasized documentation hygiene and clear guidance, reducing ambiguity for downstream users and lowering support overhead. No bugs were fixed during this period, with efforts concentrated on documentation and Python skills.