How does a Numpy library used for image manipulation

Answer 1

When doing image manipulation / processing with pil module, you normally use a python list to read in the pixel matrix from a file. But you can also use np arrays, which will give a higher speed in processing the data.
You can have a look at this tutorial to find out how it works.
https://www.pluralsight.com/guides/importing-image-data-into-numpy-arrays

Answer 2

Thank you for the information sir