Worked on enhancing the API documentation for set_default_device in the pytorch/pytorch repository, focusing on clarifying supported device-like inputs such as integers and None. Used Python and strong documentation skills to ensure the documentation accurately reflected the implementation, particularly regarding how integer indices relate to the current accelerator. This update aimed to reduce ambiguity for developers configuring devices across multiple accelerators, improving onboarding and user guidance. Collaborated with other contributors and adhered to PyTorch’s contribution guidelines throughout the process. The work emphasized clear technical communication and alignment between documentation and code, ultimately supporting a smoother developer experience for PyTorch users.