🐍 Core Python

Learn Python from scratch — clean examples, practice problems and notes, organised topic by topic.

Quick Start • Topics • Structure • Commands • Contributing • License

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📖 About

Core Python is a beginner-friendly repository that covers the fundamentals of Python with small, runnable programs. Each topic has its own folder, so you can learn in order or jump straight to what you need.

• ✅ Simple, well-commented code
• ✅ Practice problems after every topic
• ✅ Works on Windows, macOS and Linux
• ✅ No external libraries needed for the core lessons

⭐ If this repository helps you, please star it. It helps other learners find it too.

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🚀 Quick Start

Get running in under a minute.

1. Clone the repository

git clone https://github.com/yashsdhinoja/Core-Python.git

2. Move into the project folder

cd Core-Python

3. (Recommended) Create a virtual environment

🪟 Windows

python -m venv venv
venv\Scripts\activate

🍎 macOS / 🐧 Linux

python3 -m venv venv
source venv/bin/activate

4. Run any program

python 01-basics/hello_world.py

💡 Replace the path with any .py file from the repository.

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📚 Topics Covered

#	Topic	What you will learn	Level
01	Basics	Variables, data types, input/output, operators	🟢 Beginner
02	Control Flow	if / elif / else, loops, break, continue	🟢 Beginner
03	Data Structures	Lists, tuples, sets, dictionaries, comprehensions	🟢 Beginner
04	Functions	Arguments, *args / **kwargs, lambda, recursion	🟡 Intermediate
05	OOP	Classes, inheritance, polymorphism, dunder methods	🟡 Intermediate
06	File Handling	Read/write files, CSV, JSON	🟡 Intermediate
07	Exceptions	try / except / finally, custom exceptions	🟡 Intermediate
08	Modules & Packages	Imports, standard library, pip	🟡 Intermediate
09	Advanced	Decorators, generators, iterators, context managers	🔴 Advanced

📌 Edit this table so it matches the folders you have actually uploaded.

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📂 Project Structure

Core-Python/
├── 01-basics/            # variables, types, operators
├── 02-control-flow/      # conditions and loops
├── 03-data-structures/   # list, tuple, set, dict
├── 04-functions/         # functions, lambda, recursion
├── 05-oop/               # classes and objects
├── 06-file-handling/     # files, CSV, JSON
├── 07-exceptions/        # error handling
├── 08-modules/           # modules and packages
├── 09-advanced/          # decorators, generators
├── practice/             # exercises and solutions
├── LICENSE
└── README.md

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🧪 Example

# 01-basics/hello_world.py
name = input("Enter your name: ")
print(f"Hello, {name}! Welcome to Core Python 🐍")

Output

Enter your name: Yash
Hello, Yash! Welcome to Core Python 🐍

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💻 Command Cheat Sheet

🐍 Python

Task	Command
Check Python version	python --version
Run a script	python file_name.py
Open interactive shell	python
Run a module	python -m module_name
Run all tests (if added)	python -m unittest discover

📦 pip

Task	Command
Install a package	pip install package_name
Install from file	pip install -r requirements.txt
Save installed packages	pip freeze > requirements.txt
List packages	pip list
Upgrade pip	python -m pip install --upgrade pip

🌱 Virtual environment

Task	Windows	macOS / Linux
Create	python -m venv venv	python3 -m venv venv
Activate	venv\Scripts\activate	source venv/bin/activate
Deactivate	deactivate	deactivate

🔧 Git

Task	Command
Get latest changes	git pull origin main
Create a branch	git checkout -b feature/your-feature
Stage all changes	git add .
Commit	git commit -m "feat: add your change"
Push	git push origin feature/your-feature

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🗺️ Learning Roadmap

• Python basics
• Control flow
• Data structures
• Functions & recursion
• Object-oriented programming
• File handling
• Exceptions
• Modules & packages
• Decorators & generators
• Mini projects (calculator, to-do app, quiz game)

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🤝 Contributing

Contributions, issues and feature requests are welcome!

1. Fork this repository
2. Create a branch: git checkout -b feature/AmazingFeature
3. Commit your changes: git commit -m "feat: add AmazingFeature"
4. Push to your branch: git push origin feature/AmazingFeature
5. Open a Pull Request

Commit prefix	Use for
feat:	New program or topic
fix:	Bug fix in an example
docs:	README or notes changes
refactor:	Cleaner code, same behaviour

Found a problem? Open an issue.

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📜 License

Distributed under the MIT License. See LICENSE for details.

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⭐ Star History

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🏆 Contributors

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📬 Connect With Me

Platform	Link
GitHub	@yashsdhinoja
LinkedIn	Add your LinkedIn link

Happy coding! 🐍

Made with ❤️ by Yash