input: Write a function to design a Python program that simulates a simple ATM machine. The program should include an Account class with methods to initialize the account, deposit, and withdraw funds. Additionally, an ATM class should be implemented with methods to create an account, deposit, withdraw, and print the balance of an account.
  
  class Account:
      def __init__(self, name, balance):
          self.name = name
          self.balance = balance
  
      def deposit(self, amount):
          self.balance += amount
  
      def withdrawal(self, amount):
          self.balance -= amount
  
  class ATM:
      def __init__(self):
          self.accounts = []
  
      def createAccount(self, name, balance):
          account = Account(name, balance)
          self.accounts.append(account)
  
      def deposit(self, name, amount):
          for account in self.accounts:
              if account.name == name:
                  account.deposit(amount)
  
      def withdrawal(self, name, amount):
          for account in self.accounts:
              if account.name == name:
                  account.withdrawal(amount)
  
      def printBalance(self, name):
          for account in self.accounts:
              if account.name == name:
                  print(name, " Balance: ", account.balance)
  
  assert ATM().createAccount("John", 1000)==None
  atm = ATM()
  atm.createAccount("John", 1000)
  atm.deposit("John", 200)
  atm.withdrawal("John", 300)
  assert atm.printBalance("John")=="John  Balance:  900"
  atm.createAccount("Mary", 500)
  atm.deposit("Mary", 100)
  assert atm.printBalance("Mary")=="Mary  Balance:  600"
output: class Account:
      def __init__(self, name, balance):
          self.name = name
          self.balance = balance
  
      def deposit(self, amount):
          self.balance += amount
  
      def withdrawal(self, amount):
          self.balance -= amount
  
  class ATM:
      def __init__(self):
          self.accounts = []
  
      def createAccount(self, name, balance):
          account = Account(name, balance)
          self.accounts.append(account)
  
      def deposit(self, name, amount):
          for account in self.accounts:
              if account.name == name:
                  account.deposit(amount)
  
      def withdrawal(self, name, amount):
          for account in self.accounts:
              if account.name == name:
                  account.withdrawal(amount)
  
      def printBalance(self, name):
          for account in self.accounts:
              if account.name == name:
                  print(name, " Balance: ", account.balance)