Hands-On Data Analysis with Pandas

Package structure

A module is a single file of Python code that can be imported; window_calc.py from Chapter 4, Aggregating Pandas DataFrames, and color_utils.py from Chapter 6, Plotting with Seaborn and Customization Techniques, were both modules. A package is a collection of modules organized into directories. Packages can also be imported, but when we import a package, we have access to certain modules inside, so we don't have to import each one individually. This also allows us to build modules that import from each other without the need to maintain a single very large module.

So, how do we turn our modules into a package? We follow these steps:

1. Create a directory for the name of the package (stock_analysis for this chapter)
2. Place the ...