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| Name | Name | Last commit date | ||
|---|---|---|---|---|
A complete, beginner-friendly Python programming course designed to take you from zero experience to building real projects in 30 days. Every lesson includes a hands-on project, clean code examples, and best practices used by professional Python developers.
- Why This Course?
- Who Is This For?
- Prerequisites
- How to Use This Course
- Curriculum
- Project Gallery
- Python Best Practices
- Community & Contributing
- License
This repository was built on a simple idea: the best way to learn Python is by writing Python. Every single day, you will read a concept, see it explained with real examples, and then build something with it. No passive reading. No syntax memorization drills. Just code.
What makes this different from other Python tutorials:
| Feature | This Course | Typical Tutorial |
|---|---|---|
| Hands-on project every day | YES | Rarely |
| PEP 8 compliant examples | YES | Sometimes |
| Covers Python 3.10+ features | YES | Often outdated |
| Navigation between lessons | YES | No |
| Real-world project focus | YES | Toy examples |
| Free forever | YES | Usually paywalled |
This course is built for:
- Complete beginners who have never written a line of code
- Developers from other languages making the move to Python
- Students who want structured, daily learning with clear goals
- Self-taught programmers who want to fill gaps and learn best practices
You do not need any prior programming experience. You need:
- A computer running Windows, macOS, or Linux
- An internet connection
- About 1 to 2 hours per day
- A genuine desire to build things
One lesson per day. Read the concept. Study the examples. Build the project. Repeat.
Each day folder contains:
days/day-XX/
├── README.md # Lesson content, concept explanation, code examples
└── project/
├── README.md # Project brief, requirements, how to run
└── solution.py # Reference solution (try it yourself first!)
Tip: Fork this repository and commit your daily work to your own fork. Watching your own progress is one of the most motivating things you can do as a learner.
- Fork this repository
- Read the day's README.md thoroughly
- Try to write the project code yourself in a new file
- Only check solution.py after you have genuinely tried
- Commit your version to your fork
- Move to the next day
Week 1: Python Foundations (Days 1-7)
| Day | Topic | Concepts Covered | Project |
|---|---|---|---|
| 01 | Setup & Hello World | Installation, print(), running scripts | Personal Info Card |
| 02 | Variables & Data Types | int, float, str, bool, type() | Type Explorer |
| 03 | Strings & String Methods | Indexing, slicing, upper(), format(), f-strings | Mad Libs Generator |
| 04 | Numbers & Math | Operators, math module, round(), integer division | Scientific Calculator |
| 05 | User Input | input(), type casting, int(), float() | Interactive Quiz |
| 06 | Lists | Indexing, append(), remove(), slicing, len() | Shopping List Manager |
| 07 | Tuples, Sets & Booleans | Immutability, sets, in, not in, comparisons | Unique Word Counter |
| Day | Topic | Concepts Covered | Project |
|---|---|---|---|
| 08 | Dictionaries | Key-value pairs, .get(), .keys(), .values(), nesting | Contact Book |
| 09 | Conditionals | if, elif, else, ternary operator, match | BMI Calculator |
| 10 | for Loops | range(), enumerate(), zip(), loop unpacking | Multiplication Table |
| 11 | while Loops | Loop control, break, continue, else, sentinel values | Number Guessing Game |
| 12 | Functions Basics | def, parameters, return values, docstrings | Password Generator |
| 13 | Function Arguments | *args, **kwargs, default params, type hints | Currency Converter |
| 14 | Scope & Closures | LEGB rule, global, nonlocal, inner functions | Counter Factory |
| Day | Topic | Concepts Covered | Project |
|---|---|---|---|
| 15 | Error Handling | try, except, finally, raise, custom exceptions | Safe Calculator |
| 16 | File I/O | open(), read(), write(), with, pathlib | Personal Diary |
| 17 | List Comprehensions | Comprehensions, dict/set comprehensions, conditionals | Data Filter Tool |
| 18 | Lambda & Functional Tools | lambda, map(), filter(), sorted(), functools | Functional Pipeline |
| 19 | Modules & Packages | import, from, __name__, pip, virtual envs | Random Quote CLI |
| 20 | OOP: Classes & Objects | class, __init__, instance vs class attributes, methods | Bank Account System |
| 21 | OOP: Inheritance | Inheritance, super(), isinstance(), issubclass() | Animal Kingdom |
| Day | Topic | Concepts Covered | Project |
|---|---|---|---|
| 22 | Dunder Methods | __str__, __repr__, __len__, __eq__, __add__ | Custom Data Structure |
| 23 | Decorators | @decorator, @wraps, stacked decorators, functools | Function Profiler |
| 24 | Generators & Iterators | yield, next(), iter(), generator expressions | Infinite Sequences |
| 25 | Context Managers | with, __enter__, __exit__, contextlib | File Manager |
| 26 | Regular Expressions | re module, patterns, groups, findall(), sub() | Text Parser |
| 27 | JSON & CSV | json, csv, pathlib, data serialization | Grade Book |
| 28 | Working with APIs | urllib, requests, REST concepts, JSON responses | Weather CLI App |
| 29 | Testing with pytest | pytest, assert, fixtures, parametrize, TDD basics | Full Test Suite |
| 30 | Final Project | Everything combined: CLI app architecture, packaging | CLI Todo App |
Every day builds something real. Here is a summary of all 30 projects:
Day 01 Personal Info Card ▸ Print formatted personal details Day 02 Type Explorer ▸ Inspect and convert between data types Day 03 Mad Libs Generator ▸ Interactive story builder using string methods Day 04 Scientific Calculator ▸ Full arithmetic and math functions CLI Day 05 Interactive Quiz ▸ Multiple choice quiz with score tracking Day 06 Shopping List Manager ▸ Add, remove, and view items in a list Day 07 Unique Word Counter ▸ Count unique words in any text input Day 08 Contact Book ▸ Store and look up contacts by name Day 09 BMI Calculator ▸ Calculate and classify body mass index Day 10 Multiplication Table ▸ Generate formatted multiplication tables Day 11 Number Guessing Game ▸ Random number game with hints and retries Day 12 Password Generator ▸ Secure, configurable random passwords Day 13 Currency Converter ▸ Convert between currencies with exchange rates Day 14 Counter Factory ▸ Closure-powered independent counters Day 15 Safe Calculator ▸ Full calculator with proper error handling Day 16 Personal Diary ▸ Write and read timestamped diary entries Day 17 Data Filter Tool ▸ Filter and transform datasets efficiently Day 18 Functional Pipeline ▸ Data transformation using map and filter Day 19 Random Quote CLI ▸ Pull and display quotes from a local module Day 20 Bank Account System ▸ OOP bank account with deposits and withdrawals Day 21 Animal Kingdom ▸ Class hierarchy with sounds and behaviors Day 22 Custom Data Structure ▸ A Stack class with full dunder method support Day 23 Function Profiler ▸ Decorator that measures execution time Day 24 Infinite Sequences ▸ Memory-efficient infinite number sequences Day 25 File Manager ▸ Context manager for safe file operations Day 26 Text Parser ▸ Extract emails, URLs, and data with regex Day 27 Grade Book ▸ Read, write, and analyze student data (CSV/JSON) Day 28 Weather CLI App ▸ Fetch live weather from an API Day 29 Full Test Suite ▸ Write and run tests for previous projects Day 30 CLI Todo App ▸ Feature-complete command-line to-do manager
All code in this repository follows these standards. You should too.
# Correct: snake_case for variables and functions
user_name = "Alice"
def calculate_total(price, tax_rate=0.2):
return price * (1 + tax_rate)
# Correct: PascalCase for classes
class BankAccount:
pass
# Correct: UPPER_SNAKE_CASE for constants
MAX_RETRIES = 3
DEFAULT_TIMEOUT = 30# Always annotate function signatures
def greet(name: str, times: int = 1) -> str:
return (f"Hello, {name}!\n" * times).strip()
# Use the built-in generics (Python 3.10+)
def get_scores(students: list[str]) -> dict[str, int]:
return {student: 0 for student in students}def divide(numerator: float, denominator: float) -> float:
"""Divide numerator by denominator.
Args:
numerator: The number to be divided.
denominator: The number to divide by.
Returns:
The result of the division.
Raises:
ValueError: If denominator is zero.
Example:
>>> divide(10, 2)
5.0
"""
if denominator == 0:
raise ValueError("Cannot divide by zero.")
return numerator / denominatormy_project/
├── README.md
├── requirements.txt
├── .gitignore
├── src/
│ └── my_project/
│ ├── __init__.py
│ └── main.py
└── tests/
└── test_main.py
Contributions are welcome and appreciated. See CONTRIBUTING.md for full guidelines.
Ways to contribute:
- Fix typos or improve explanations
- Add alternative project solutions
- Report issues or broken code
- Translate lessons
- Star the repository to help others find it
This project is licensed under the MIT License. See LICENSE for details.
Built with care for learners everywhere.
If this helped you, please give it a star. It helps more people find it.