🏦 ATM Machine Simulator (Python OOP)

An interactive ATM Machine Simulator built in Python using Object-Oriented Programming (OOP) principles. Designed with a clean CLI interface and security features to simulate real-world ATM operations.

🎥 Watch Demo Video

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✨ Features

✅ User account creation with:

• Name, account number, PIN, and initial deposit
• Security question for account recovery

✅ Core operations:

• 💵 Deposit funds
• 💸 Withdraw funds
• 🔄 Transfer funds between accounts
• 🧾 View transaction history
• 🔐 Change PIN with validation
• 🔒 Account lockout after 3 failed PIN attempts

✅ User-friendly CLI:

• 📜 Colored text (green for success, red for errors)
• 🖥️ ASCII art welcome screen
• 📊 PrettyTable menus for options

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🖥️ Tech Stack

• 🐍 Python 3.x
• 🎨 ANSI colors for a beautiful terminal UI
• 📦 PrettyTable for menu display

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📂 Project Structure

ATM-Machine-Simulator/
│
├── main.py                         # Entry point of the simulator
│
├── atm/                            # Core logic package
│   ├── account.py                  # Account class (balance, name, PIN, etc.)
│   ├── transaction.py              # Deposit, Withdraw, Transfer logic
│   ├── atm_machine.py              # ATM Machine class: manages user interactions & reports
│   └── bank.py                     # (Optional) Bank class for managing multiple accounts
├── tests/                          # Automated tests
│   ├── test_account.py             # Tests for account.py
│   ├── test_transaction.py         # Tests for transaction.py
│   ├── test_atm_machine.py         # Tests for atm_machine.py
│   └── __init__.py                 # Makes this a Python package
│
├── README.md                       # Project overview, installation & usage instructions
├── requirements.txt                # List of dependencies (e.g., pytest)
└── LICENSE                         # Your chosen license (e.g., MIT)

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▶️ How to Run

1️⃣ Clone the repository:

git clone https://github.com/thesibaram/ATM-Machine-Simulator.git
cd ATM-Machine-Simulator

2️⃣ Install dependencies:

pip install -r requirements.txt

3️⃣ Run the simulator:

python main.py

🙌 Contribution

Want to contribute? Fork this repo and submit a pull request.

📜 License

This project is licensed under the MIT License.

Ready to Enjoy?
-Fork it.
--Run it.
----Love it.