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Python Tutorial

Learn Python 3.15 step by step and run every example in your browser.

43 free lessons Beginner to Intermediate Covers Python 3.15 (examples run on 3.14 in the browser)

Start the first lesson

Getting Started

  1. 1Python Introduction
  2. 2Install Python & Set Up
  3. 3Python Syntax
  4. 4Variables
  5. 5Data Types
  6. 6Input & Output

Basics

  1. 7Numbers & Math
  2. 8Strings
  3. 9String Methods
  4. 10f-strings & t-strings
  5. 11Booleans & Operators
  6. 12if, elif & else
  7. 13match Statements
  8. 14while Loops
  9. 15for Loops

Data Structures

  1. 16Lists
  2. 17Comprehensions
  3. 18Tuples
  4. 19Sets
  5. 20Dictionaries

Functions & Modules

  1. 21Functions
  2. 22Function Arguments
  3. 23Lambda Functions
  4. 24Scope & Closures
  5. 25Modules & Imports
  6. 26pip & Virtual Environments

Files & Errors

  1. 27Errors & Exceptions
  2. 28Reading & Writing Files
  3. 29JSON & CSV
  4. 30Dates & Times

Object-Oriented Python

  1. 31Classes & Objects
  2. 32Inheritance
  3. 33Dataclasses & Enums
  4. 34Special (Dunder) Methods

Advanced Python

  1. 35Iterators & Generators
  2. 36Decorators
  3. 37Type Hints
  4. 38Regular Expressions
  5. 39async & await (asyncio)
  6. 40Standard Library Tour
  7. 41What's New in Python 3.14 & 3.15
  8. 42Testing & Best Practices
  9. 43Project: Expense Tracker

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