NumPy

Numerical Python (NumPy)
NumPy is an open-source Python library created in 2005. It is used for working with arrays, but also has functions for working in the domain of linear algebra, fourier transform, and matrices. Below are some websites with more information and beginner tutorials :
 * NumPy: the Absolute Basics for Beginners (numpy.org)
 * NumPy Introduction (w3schools.com)
 * NumPy User Guide (numpy.org)
 * NumPy Tutorial (geeksforgeeks.org)
 * Fundamental package for array computing in Python (pypi.org)