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This application allows users to log in, manage their balance, withdraw and deposit funds, view transaction history, and securely change their PIN.\n\n## 🧰 Features\n\n- 🛡 Secure login system using PIN authentication\n- 💰 Balance inquiry\n- 💵 Withdrawals (up to Rs. 25,000 in multiples of Rs. 5.00)\n- 💸 Deposits (up to Rs. 90,000 in multiples of Rs. 5.00)\n- 🧾 Transaction logging\n- 🔐 PIN change functionality\n- 📜 Transaction history viewer\n- 💡 User-friendly GUI with a modern design and color scheme\n\n## 🖼 GUI Preview\n\n\u003e This app uses **Tkinter's themed widgets (`ttk`)** for a professional GUI appearance with color styling and layouts for different operations.\n\n## 📂 Directory Structure\n\n```\n.\n├── users/                # Stores user data (PIN and balance)\n├── transactions/         # Stores user transaction logs\n├── icon.png              # Optional application icon\n├── atm_app.py            # Main application script\n└── README.md             # Project documentation\n```\n\n## 🏁 Getting Started\n\n### ✅ Prerequisites\n\n- Python 3.7+\n- `tkinter` module (comes pre-installed with standard Python distributions)\n\n### 📦 Installation\n\n1. Clone or download this repository:\n   ```bash\n   git clone https://github.com/yourusername/skf-atm-system.git\n   cd skf-atm-system\n   ```\n\n2. Run the application:\n   ```bash\n   python atm_app.py\n   ```\n\n3. If `icon.png` is missing, the app will still run without it.\n\n## 👥 Default User Info\n\n- Default PIN: `5678`\n- Default Balance: `Rs. 250,000`\n\nOn first login with any new Account ID, this default information is used.\n\n## 📝 Notes\n\n- PINs are hashed using SHA-256 for demonstration purposes.\n- Data is stored as plain `.txt` files under `users/` and `transactions/`.\n\n## ⚠ Limitations\n\n- This application is designed for **demonstration and academic purposes**.\n- Not intended for real banking environments.\n- No real encryption or database is used beyond SHA-256 hashing.\n\n## 📜 License\n\nMIT License © 2025 SKF Bank Simulation\n\n## 🤝 Acknowledgements\n\n- Inspired by modern ATM interfaces.\n- Developed using Python and the `tkinter` GUI toolkit.\n\n---\n\n\n\u003e ## 👨‍💻 Author\n\n**Muhammad Saeed**  \nAI \u0026 Data Science Enthusiast (Python)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsaeed-dev2%2Fatm-banking-app-python","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsaeed-dev2%2Fatm-banking-app-python","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsaeed-dev2%2Fatm-banking-app-python/lists"}