atm.py

from time import sleep

balance = 2500
withdrawal = {1: 1000, 2: 2000, 3: 5000, 4: 10000, 5: 20000}


def dispense(amount: int):
    balance = 2500
    withdrawal = {1: 1000, 2: 2000, 3: 5000, 4: 10000, 5: 20000}
    if balance >= withdrawal[amount]:
        print(f"paying =N={withdrawal[amount]}")
        balance -= withdrawal[amount]
    else:
        print("insufficient funds")


print("Welcome to GTBank!")
sleep(3)

response = int(input(
    "press 0 for cardless transactions\npress 1 for card transactions\n"))
if response == 0:
    print("cardless transactions")
elif response == 1:
    operation = int(input(
        "please select a transaction\n1: account balance\n2: cash withdrawal\n3: airtime topup\n"))
    if operation == 1:
        print(f"your account balance is =N={balance}")
    elif operation == 2:
        amount = int(input(
            "please select withdrawal amount\n1: =N=1000\n2: =N=2000\n3: =N=5000\n4: =N=10000\n5: =N=20000\n6: enter amount\n"))
        if amount == 1:
            dispense(amount)
        elif amount == 2:
            dispense(amount)
        elif amount == 3:
            dispense(amount)
        elif amount == 4:
            dispense(amount)
        elif amount == 5:
            dispense(amount)
        elif amount == 6:
            specific_amount = int(
                input("enter amount\namount should be a multiple of =N=1000\n"))
            if specific_amount % 1000:
                print("amount must be a multiple of =N=1000")
            elif specific_amount > 20000:
                print("amount must not be more than =N=20000")
            else:
                if balance >= specific_amount:
                    print(f"paying =N={specific_amount}")
                    balance -= specific_amount
                else:
                    print("insufficient funds")
        else:
            print("invalid selection")
    elif operation == 3:
        airtime = int(input("enter recharge amount\n"))
        if airtime <= balance:
            print(f"recharged {airtime} naira")
            balance -= airtime
        else:
            print("insufficient funds")
    else:
        print("invalid selection")
else:
    print("invalid selection")

sleep(3)
print("thank for banking with us")