Banking.py

class Bank:

   def login(self, username, password):
       return True

class User:

   def __init__(self, theUsername, thePassword):
       self.username = theUsername
       self.password = thePassword
       
       

class Account:

   def __init__(self, user):
       self.balance = 0
       self.user = user
       
   def add_money(self, amount):
       self.balance = self.balance + amount
       print "Account just added %d bucks; new balance is: %d" % (amount, self.balance)
       
   def withdraw_money(self, amount):
       self.balance = self.balance - amount
       print "Account just withdrew %d bucks; new balance is: %d" % (amount, self.balance)