Account.py

class Account:
    def __init__(self,id=0,balance=100,annualIntersetRate=0):
        self.__id = id
        self.__balance = balance
        self.__annualIntersetRate = annualIntersetRate

    def getId(self):
        return self.__id

    def getBalance(self):
        return self.__balance

    def getAnnualIntersetRate(self):
        return self.__annualIntersetRate

    def setId(self,id):
        self.__id = id

    def setBalance(self,balance):
        self.__balance = balance

    def setAnnualIntersetRate(self,annualIntersetRate):
        self.__annualIntersetRate = annualIntersetRate

    def getMonthlyInterestRate(self):
        return (self.__annualIntersetRate/ 12) /100

    def getMonthlyInterest(self):
        return self.__balance *self.getMonthlyInterestRate()

    def deposit(self,balance):
        self.__balance += balance

    def withdraw(self,amount):
        self.__balance -= amount