Description: JupyterLab themes are customization options that allow users to modify the appearance and feel of the workspace. JupyterLab, as one of the most popular tools for data science, offers a flexible and extensible interface that adapts to users’ needs. Themes can change visual aspects such as colors, fonts, and overall layout, which not only enhances aesthetics but can also increase productivity by allowing users to work in an environment that feels more comfortable and appealing. The ability to customize the workspace is especially valuable in data science projects, where analysts and scientists spend long hours interacting with data and visualizations. By offering a variety of themes, JupyterLab enables users to choose a style that aligns with their personal preferences or project needs, thus facilitating a more satisfying and efficient user experience. Additionally, the JupyterLab community has developed a range of additional themes that can be installed and used, further expanding the customization options available. This flexibility in personalization not only enhances the user experience but also fosters a sense of belonging and creativity within the broader data science community.