Category: Python

Work with dates, times, and formatting using datetime.

Search and validate text patterns with the re module.

Model real-world entities with classes, objects, and OOP principles.

Define classes as blueprints and create object instances from them.

Initialize object state with the __init__ constructor method.

Isolate project dependencies with venv so packages do not conflict globally.

Catch and handle runtime errors so your program fails gracefully.

Use else for success paths and finally for cleanup that must always run.

Open files safely and manage reading/writing with context managers.

Read whole files or line-by-line, and write/append text reliably.