class Bank:

def __init__(self, balance):

self.__balance = balance

def deposit(self, amount):

self.__balance += amount

return self.__balance

def withdraw(self, amount):

if self.__balance <= 0:

print("No Money in Account")

else:

self.__balance -= amount

return self.__balance

def get_balance(self):

return self.__balance

b1 = Bank(100)

b1.deposit(40)

print(b1.get_balance())

Customers = {'Arjun': [2000, '1111-2222-3333-4444', 234]}

class ATM(Bank):

def __init__(self, balance, cardnumber, pin):

super().__init__(balance)

self.cardnumber = cardnumber

self.pin = pin

EnterUserName = input("Enter User Name")

if EnterUserName in Customers:

EnterCardnumber = input("Enter Card Number")

EnterPin = int(input('Enter Pin'))

if Customers[EnterUserName][1] == EnterCardnumber and Customers[EnterUserName][2] == EnterPin:

money = int(input('How Much money would you like to withdraw'))

am = ATM(Customers[EnterUserName][0], EnterCardnumber, EnterPin)

am.withdraw(money)

print('your Remaining Balance', am.get_balance())

else:

print("Invalid Credentials")

else:

print('No DataBase found')

# Code Courtesy Vidit Shah