🔐 Login Authentication System

A simple Python desktop application built with Tkinter that demonstrates user authentication using predefined credentials. The application features a clean graphical user interface, password masking, input validation, and success/error feedback.

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📸 Screenshots

Login Screen

Successful Login

Invalid Login

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✨ Features

• 🔑 User login authentication
• 👤 Username validation
• 🔒 Password masking
• ✅ Successful login message
• ❌ Invalid login error handling
• 🖥️ Clean Tkinter GUI
• ⚡ Lightweight and beginner-friendly

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🛠️ Tech Stack

• Language: Python 3
• GUI Framework: Tkinter
• IDE: Visual Studio Code

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📂 Project Structure

Login-Authentication-System/
│
├── screenshots/
│   └── preview/
│       ├── preview1.png
│       ├── preview2.png
│       └── preview3.png
│
├── login.py
├── README.md
└── LICENSE

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🚀 Getting Started

1. Clone the repository

git clone https://github.com/SamRepository25/Login-Authentication-System.git

2. Navigate to the project

cd Login-Authentication-System

3. Run the application

python login.py

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🔑 Demo Credentials

Username: admin
Password: admin123

Change these credentials directly inside login.py if you want to use different values.

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📌 Learning Objectives

This project demonstrates:

• Tkinter GUI development
• User input handling
• Conditional logic
• Password masking
• Authentication concepts
• Python desktop application development

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📄 License

This project is licensed under the MIT License.

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👨‍💻 Author

B SIMAK AHMED

• GitHub: https://github.com/SamRepository25
• Portfolio: https://codeforgedev.vercel.app

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