July project night/OO lesson/banking2.py

class Bank:

   def __init__(self):
       self.usernamesPasswordsDictionary = {}
       
   def addUser(self, user):
       self.usernamesPasswordsDictionary[user.username] = user.password
       print "Bank added user " + user.username + " to un/pw dictionary"
   
   def logIn(self, username, password):
       if self.usernamesPasswordsDictionary[username] == password:
           return True
       print "Bank could not log you in."
       return False

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 addMoney(self, amount):
       self.balance = self.balance + amount
       print "Account just added %d bucks; new balance is: %d" % (amount, self.balance)

   def withdrawMoney(self, amount):
       self.balance = self.balance - amount
       print "Account just withdrew %d bucks; new balance is: %d" % (amount, self.balance)