Arrays in Python give you a huge amount of flexibility for storing, organizing, and accessing data. This is crucial, not least because of Python’s popularity for use in data science.

Using NumPy arrays with C libraries: A common use case for Cython is to write convenient Python wrappers for C libraries. Cython code can act as a bridge between an existing C library and NumPy ...

Arrays Arrays look a lot like a list. Here is an array. Oh, you need to make sure you have the numpy python module loaded. If you just use plain python, there is no array.