Python Pro

Model real things in code with classes, attributes and methods — the heart of object-oriented programming.

Use Python’s built-in toolboxes — random, math, datetime — and organize your own code into modules.

Save and load data with files, use with-blocks, and handle errors like a pro.

Learn how apps share data with JSON and how APIs let programs talk to each other.

Sort, filter and summarize data with list comprehensions, sorted(), sum() and friends.

Combine everything to build a real cybersecurity tool that rates passwords using NIST guidance.