How to Read Multiple Files in a Loop in Python. ... Create a variable to store the file contents. This variable will store the text of the file for each iteration.

Many programs have a need to iterate over a large list of generated data. The conventional way to do this would be to calculate the values for the list and populate it, then loop over the whole thing.

NumPy is known for being fast, but could it go even faster? Here’s how to use Cython to accelerate array iterations in NumPy. NumPy gives Python users a wickedly fast library for working with ...