In this chapter, we will discuss modules, which are packages written by experts or any individual to serve special purposes. In this book, we will use about a dozen modules in total. Thus, knowledge related to modules is vitally important in our understanding of Python and its application to finance.
In particular, we will cover the following topics:
What is a module and how do we import a module?
Showing all functions contained in an imported module
Adopting a short name for an imported module
Comparing between
import mathandfrom math import *Deleting an imported module
Importing a few functions from a module
Finding out all built-in modules and all available (reinstalled) modules
How to find a specific uninstalled module
Finding the location of an imported module
Module dependency
One super package including many modules
Online searching of modules and videos on how to install a module