This is a Python library for quickly building and sharing machine learning demonstration applications without the need for knowledge of JavaScript, CSS, or web deployment. With just a few lines of Python code, you can create a web application with a user interface. It supports public access, complex interactions and layouts, and provides more than 30 built-in components such as text boxes, images, and buttons. It can run in various environments including Jupyter Notebook and Google Colab, and is suitable for teaching, project demonstration, and building machine learning web UIs.