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!

This works, but its performance is hidebound by the time it takes for Python to create a list, and for NumPy to convert that list into an array. By contrast, we can do the same thing far more ...

The array type is useful in those cases, but in almost every pure-Python case you’ll want to use lists. For everyday work that would normally use a list, there’s no performance advantage to ...