from datetime import datetime

class AccountP:
    def __init__(self, name, account_number, initial_amount):
        self._name = name
        self._no = account_number
        #self._balance = initial_amount
        trans = {'time': datetime.now(),'amount':initial_amount}
        self._transactions = [trans]

    def deposit(self, amount):
        trans = {'time': datetime.now(),'amount':amount}
        self._transactions.append(trans)

    def withdraw(self, amount):
        self.deposit(-amount)

    def get_balance(self):
        balance = 0
        for t in self._transactions:
            balance = balance + t['amount']
        return balance

    def dump(self):
        s = f'{self._name}, {self._no}, balance: {self.get_balance()}'
        print(s)

    def print_transactions(self):
        for t in self._transactions:
            s = f"{t['time']} {t['amount']}"
            print(s)

"""
Do a few transactions to illustrate the
class usage:
"""
a = AccountP('js',123,100)
a.deposit(100)
a.withdraw(50)
print(a.get_balance())
a.dump()
a.print_transactions()

"""
Terminal> python Account3.py
150
js, 123, balance: 150
2019-10-21 12:48:07.056362 100
2019-10-21 12:48:07.056367 100
2019-10-21 12:48:07.056369 -50
"""