The reading takes you to the basic understanding of numpy, how it is used for scientific computing and how it provides support for multi-dimensional arrays and matrices, along with a large library of mathematical functions to operate.

The reading takes you to the basic understanding of how a human-readable sentence is converted to machine compatible form. It drives you over basic concepts of feature extraction in Natural Language Processing.

This reading categorizes tokenization into its types and is intended to interact with the current state of the art at tokenization level of NLP pipeline. It should also provide some idea of what one to choose.