Python is convenient and flexible ... Arrays can have any number of dimensions, but each array uses a uniform data type, or dtype, to represent its underlying data. Here’s a simple example ...

This is crucial, not least because of Python’s popularity for use in data science. But what precisely is an array? And how do you use arrays in Python? An array is a way to store multiple values ...

If you are doing matrix-based or array-based math and you don’t want the Python interpreter getting in the way, use NumPy. By drawing on C libraries for the heavy lifting, NumPy offers faster ...