NumPy Tutorial: Your First Steps Into Data Science in Python – Real Python

In this tutorial, you’ll learn everything you need to know to get up and running with NumPy, Python’s de facto standard for multidimensional data arrays. NumPy is the foundation for most data science in Python, so if you’re interested in that field, then this is a great place to start.

Source : NumPy Tutorial: Your First Steps Into Data Science in Python – Real Python