ATM.py

# Basic ATM Interface in Python

def display_menu():
    print("\nATM Menu")
    print("1. Check Balance")
    print("2. Deposit Money")
    print("3. Withdraw Money")
    print("4. Exit")


def check_balance(balance):
    print(f"\nYour current balance is: ${balance}")


def deposit_money(balance):
    amount = float(input("Enter amount to deposit: $"))
    if amount > 0:
        balance += amount
        print(f"${amount} deposited successfully.")
    else:
        print("Invalid deposit amount!")
    return balance


def withdraw_money(balance):
    amount = float(input("Enter amount to withdraw: $"))
    if amount > 0 and amount <= balance:
        balance -= amount
        print(f"${amount} withdrawn successfully.")
    elif amount > balance:
        print("Insufficient funds!")
    else:
        print("Invalid withdrawal amount!")
    return balance


def atm_interface():
    balance = 5000.00  # Initial balance
    while True:
        display_menu()
        choice = input("\nEnter your choice (1-4): ")

        if choice == '1':
            check_balance(balance)
        elif choice == '2':
            balance = deposit_money(balance)
        elif choice == '3':
            balance = withdraw_money(balance)
        elif choice == '4':
            print("Thank you for using the ATM. Goodbye!")
            break
        else:
            print("Invalid choice! Please try again.")


# Run the ATM interface
atm_interface()