From dict Records To Simple (Data) Classes

Covers the following topics

• Miscellaneous String Methods

• (Optional) CSV Files

• PyTest

• From Object Oriented Programming

  • Classes And Dictionaries

  • Constructor

  • collections.namedtuple

Setup

• Virtual Environments

  Create virtual environment (“sandbox”)

  $ python -m venv ~/My-Environments/2025-10-13
  

  Activate that environment

  Linux

  $ source ~/My-Environments/2025-10-13/bin/activate
  (2025-10-13) $                          # <-- prompt changes!
  

  Windos cmd

  $ C:\Users\Myself\My-Projects\2025-10-13\Scripts\activate.bat
  

• Python Package Index

  In the environment (note the prompt)

  (2025-10-13) $ python -m pip install pytest
  

Contents

• Exercise: Split Strings To User Dictionaries
• Exercise: Write User Records To JSON File
• Exercise: Convert User Records To JSON
• Exercise: Split Strings To User Objects
• Exercise: Write User Objects To JSON File
• Exercise: Convert User Records To JSON (Modernized)