This post shows you how to use arrays in Python and why this data structure is so useful. A foundational skill for data science, coding, and more!

Numpy Arrays Basic Ways to Build Arrays We can cast an ordinary python list as a NumPy one-dimensional array.

Now that we know how to build arrays, let's look at how to pull values our of an array using indexing, and also slicing off sections of an array. Similar to selecting an element from a python list, we ...