Python lessons

28 lessons from basics to advanced topics.

Basics

Python Variables

Store and reuse values with names

Output with print()

Show results in the console

Reading input()

Get data from the user

Make decisions in code

Iterate over sequences

Repeat while a condition holds

More Lessons

Dive deeper into Python with topics from strings and lists to classes, regex, and beyond.

Indentation, comments, and basic rules

Strings, ints, floats, booleans, and more

Work with text data

Ordered, changeable collections

Ordered, unchangeable collections

Unordered collections of unique items

Python Dictionaries

Key-value pairs for structured data

Python Functions

Reusable blocks of code with def

Lambda Functions

Small anonymous functions

Classes & Objects

Object-oriented programming basics

Extend classes with child classes

Handle errors gracefully

String Formatting

Format text with f-strings and .format()

List Comprehension

Build lists in one line

Import and use modules

Read and write files

Local vs global variables

Iterators & Generators

Efficient looping with yield

Install packages from PyPI

Arithmetic, math module, and operators

Working with JSON

Parse and create JSON data

Regular Expressions

Pattern matching with re