Python PDF refers to libraries and tools available in the Python ecosystem for creating, manipulating, and processing PDF (Portable Document Format) files. These tools can be found on the Python Package Index (PyPI) website, https://pypi.org/. Popular libraries include PyPDF2, which allows splitting, merging, and modifying PDF files, ReportLab for generating PDFs from scratch with graphics and charts, and PDFMiner for extracting information and text from PDFs. These libraries provide developers with a range of functionalities to work with PDF documents programmatically, catering to various use cases such as generating reports, automating document workflows, or data extraction.