💳 ATM Machine Simulation

📜 Description

This project is a simple ATM Machine Simulation created using C programming language.
It simulates basic ATM functionalities such as:

• PIN authentication
• Checking balance
• Depositing amount
• Withdrawing amount
• Exiting the application

It also provides colorful output for a better user experience!

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🚀 Features

• 4-digit secure PIN verification (with maximum 3 attempts).
• Check current balance.
• Deposit money (positive amounts only).
• Withdraw money (only if sufficient balance is available).
• Graceful exit with thank-you messages.
• Error handling for invalid inputs.

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🛠️ How to Run

1. Save the code file as atm_simulation.c.
2. Compile the program using a C compiler: gcc atm_simulation.c -o atm_simulation
3. Run the compiled program: ./atm_simulation

📋 Default Settings

• Default PIN: 2346
• Initial Balance: 1,000,000

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🎨 Program Flow

• User is asked to enter a 4-digit PIN.
• If PIN is correct:
• Options are shown: Check Balance, Deposit, Withdraw, Quit.
• If PIN is incorrect:
• User has 3 attempts before getting locked out.

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💡 Example Output

******** WELCOME TO THE ATM ******** Please enter your 4-digit PIN: 2346

ACCESS GRANTED!

Available Transactions:

Check Balance

Deposit Amount

Withdraw Amount

Quit Application

👨‍💻 Author

• Alishba Saleem

⚡ Note

• This is a beginner-level project for practicing basic C concepts like conditionals, loops, and user input handling.