"""
Exercise 7.2 from "A primer on..."
Add functionality to the Account class.
"""

class Account:
    def __init__(self, name, account_number, initial_amount):
        self.name = name
        self.no = account_number
        self.balance = initial_amount
        self.transactions = 1

    def deposit(self, amount):
        self.transactions += 1
        self.balance += amount

    def withdraw(self, amount):
        self.transactions += 1
        self.balance -= amount

    def dump(self):
        s = f'{self.name}, {self.no}, transactions: {self.transactions}, balance: {self.balance}'
        print(s)


a1 = Account('John Olsson', '19371554951', 20000)
a2 = Account('Liz Olsson',  '19371564761', 20000)
a1.deposit(1000)
a1.withdraw(4000)
a2.withdraw(10500)
a1.withdraw(3500)
print("a1 balance:", a1.balance)
a1.dump()
a2.dump()

"""
Terminal> python Account2.py 
a1 balance: 13500
John Olsson, 19371554951, transactions: 4, balance: 13500
Liz Olsson, 19371564761, transactions: 2, balance: 9500
"""