BankAccount Class

class BankAccount(object):
    """Represent a simplified bank account

    Attributes:
        balance (float): current balance
        owner (string): owner name
    """

    def __init__(self, owner_name, initial_balance, currency):
        self.owner = owner_name
        self.__balance = initial_balance
        self.currency = currency

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

    def withdraw(self, amount):
        if amount > self.__balance:
            print("Not enough funds!")
            return False
        else:
            self.__balance -= amount

    def report(self):
        print("{} has {}{}".format(self.owner, self.__balance, self.currency))


maria_account = BankAccount("Maria", 0, "lv")
pesho_account = BankAccount("Pesho", 0, "$")

maria_account.deposit(100)
# change "hidden"  field:
maria_account._BankAccount__balance = 1_000_000
maria_account.report()