Documentation for NumPy, the foundational Python library for numerical computing, providing multidimensional arrays, mathematical operations, and tools for scientific programming.

Documentation and reference material for pandas, a Python library designed for data manipulation, cleaning, analysis, and working with structured datasets.

Documentation and learning material for Polars, a high-performance DataFrame library supporting data manipulation and analysis through Python, R, and Node.js APIs.

Python's official documentation covering the language reference, standard library, tutorials, installation, setup, and other resources needed to develop applications with Python.