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Python Mastery: The Complete Python Course

Learn Python from absolute zero to advanced — every concept with code you run.

12 modules75 lessonsAbsolute Beginner → Advanced

Module 1: What is Python? (Introduction)

Start from the very beginning — what Python is, where it came from, and why everyone uses it.

What is Python? The Story Behind the Language
15 min • Beginner
Why Learn Python? Real Uses & Real Companies
15 min • Beginner
How Python Works: Interpreter & Scripts
15 min • Beginner
Install Python + VS Code the Right Way
20 min • Beginner
Your First Program: Hello, World!
10 min • Beginner
🧪 Practice: First Steps
20 min • Beginner • Practice

Module 2: The Building Blocks (Tokens & Syntax)

The atoms of Python — keywords, identifiers, literals, and the famous indentation rule.

What Are Tokens? The Atoms of Python
15 min • Beginner
Keywords — The 35 Reserved Words
20 min • Beginner
Identifiers & Naming Rules
15 min • Beginner
Comments & Docstrings
10 min • Beginner
Indentation — Python's Famous Whitespace Rule
15 min • Beginner
Virtual Environments Explained
25 min • Beginner
🧪 Practice: Spot the Tokens
20 min • Beginner • Practice

Module 3: Variables & Data Types

The raw materials of every program.

Variables and Assignment
15 min • Beginner
Numbers: int, float, and Math Operators
20 min • Beginner
Strings: Slicing, Methods, f-strings
30 min • Beginner
Booleans and Comparison Operators
15 min • Beginner
Type Conversion (and why input() always bites you)
15 min • Beginner
input() & Output Formatting
20 min • Beginner
🧪 Practice: Variables & Types
25 min • Beginner • Practice
🧪 Lab: BMI Calculator
20 min • Beginner

Module 4: Operators

Every symbol that does work, explained with examples.

Arithmetic Operators
15 min • Beginner
Comparison Operators
15 min • Beginner
Logical Operators: and, or, not
15 min • Beginner
Assignment & Shorthand Operators
10 min • Beginner
Membership & Identity: in, is
15 min • Beginner
🧪 Practice: Operators
25 min • Beginner • Practice
🧪 Lab: Unit Converter
20 min • Beginner

Module 5: Data Structures

Lists, tuples, sets, and dictionaries — the containers of real code.

Lists: The Workhorse
25 min • Beginner
Tuples and Sets — When and Why
20 min • Beginner
Dictionaries: The Key-Value Superpower
30 min • Beginner
Nesting: Lists of Dicts (the Real-World Shape)
25 min • Beginner
🧪 Practice: Data Structures
30 min • Beginner • Practice
🧪 Lab: Quiz App
25 min • Beginner

Module 6: Control Flow

Make your code decide, repeat, and react.

if / elif / else — Decisions
20 min • Beginner
for Loops and range
20 min • Beginner
while Loops, break, continue
20 min • Beginner
Looping Dicts and Lists Like a Pro
20 min • Beginner
🧪 Practice: Loops & Patterns
35 min • Beginner • Practice
🧪 Lab: Quiz App (Control Flow)
25 min • Beginner

Module 7: Functions

Package logic once, use it everywhere.

Defining Functions, Parameters, Return
25 min • Beginner
Default & Keyword Arguments
15 min • Beginner
*args and **kwargs Demystified
20 min • Beginner
Scope: Local vs Global (LEGB in 5 Minutes)
15 min • Beginner
Lambda + map/filter
20 min • Beginner
🧪 Practice: Functions
30 min • Beginner • Practice
🧪 Lab: Password Generator
25 min • Beginner

Module 8: Errors & Files

Handle failure gracefully and make data persist.

try / except — Handling Failure
25 min • Beginner
Raising Exceptions & Custom Messages
15 min • Beginner
Reading and Writing Files
20 min • Beginner
Working with JSON and CSV
25 min • Beginner
🧪 Practice: Errors & Files
30 min • Beginner • Practice
🧪 Lab: To-Do List with JSON Storage
30 min • Beginner

Module 9: Object-Oriented Python

Classes, objects, and the mindset behind big codebases.

Classes and Objects — The Mental Model
20 min • Beginner
__init__, self, and Methods
25 min • Beginner
Inheritance — Build on What Exists
20 min • Beginner
Dunder Methods (__str__, __len__, __eq__)
20 min • Beginner
Dataclasses: OOP Without Boilerplate
15 min • Beginner
🧪 Practice: OOP
35 min • Beginner • Practice
🧪 Lab: Tkinter To-Do (Class-Based)
30 min • Beginner

Module 10: Power Tools

Comprehensions, generators, decorators — the Python that feels like Python.

List & Dict Comprehensions
25 min • Beginner
Generators & Iterators — Memory Magic
25 min • Beginner
Decorators, Explained Properly
30 min • Beginner
Modules, Imports & the Standard Library Tour
25 min • Beginner
🧪 Practice: Power Tools
30 min • Beginner • Practice
🧪 Lab: File Organizer
30 min • Beginner

Module 11: The Python Ecosystem

Packages, the internet, and version control.

pip and Packages Beyond the Standard Library
20 min • Beginner
Virtual Environments (Deep Dive)
25 min • Beginner
requests: Talking to the Internet
30 min • Beginner
Git & GitHub for Your Code
30 min • Beginner
🧪 Practice: Ecosystem
30 min • Beginner • Practice
🧪 Lab: Weather App
30 min • Beginner

Module 12: Capstone

Prove it — build something of your own.

Capstone: Build a CLI Tool from Scratch
2-4 hours • Beginner
🧪 Final Challenge
1-2 hours • Beginner • Practice
Where to Go Next
10 min • Beginner