May 11, 20251 yr These tools handle structured and unstructured data, from tabular formats to PDFs, enabling cleansing, extraction, and transformation. They're foundational for training datasets, AI prep, or evaluation. Tools: Pandas – The gold standard for working with tabular and time-series data. Offers indexing, merging, filtering, and CSV/Excel/SQL I/O. [PDF Parsers] – Libraries like PyMuPDF, pdfminer.six, and pdfplumber enable extracting structured text from PDFs. Used for document ingestion into AI pipelines. Jinja – A templating engine for Python used in web apps and LLM prompt structuring. Helps in dynamic content and response formatting.
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