When you call the Cython function in your Python code, send the entire NumPy array object as an argument for that function call. Perform all the iteration over the object in Cython .

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.

In Python, arrays map directly to lists. Tables in TOML. A table is a collection of key-value pairs in a TOML file, labeled with a header in square brackets.