def test_defferent_things():
    Roman = Person('Roman', 'Malosev', 20)
    Alina = Person('Alina', 'Amjaga', 21)
    Artjom = Person('Artjom', 'Pagonini', 20)
    assert Roman.full_name == 'Roman Malosev'
    assert Roman.age == 20
    Roman.age = 16
    assert Roman.age == 16
    bank1 = Bank('Swedbank')
    bank2 = Bank('LHV')
    bank1.add_customer(Roman)
    bank1.add_customer(Artjom)
    assert bank1.add_customer(Roman) is False
    bank2.add_customer(Alina)
    Roman.bank_account.deposit(300)
    assert str(Roman.bank_account.transactions[0]) == '(300 €) ATM'
    Roman.bank_account.transfer(100, Alina.bank_account)
    assert str(Roman.bank_account.transactions[1]) == '(100 €) Roman Malosev -> Alina Amjaga'
    Roman.bank_account.withdraw(50)
    Roman.bank_account.transfer(100, Alina.bank_account)
    assert len(bank1.customers) == 2
    assert Roman.bank_account.get_debit_turnover(datetime.date(2019, 1, 1), datetime.date(2022, 1, 1)) == 300
    assert Roman.bank_account.get_credit_turnover(datetime.date(2019, 1, 1), datetime.date(2022, 1, 1)) == -250
    assert Roman.bank_account.get_net_turnover(datetime.date(2019, 1, 1), datetime.date(2022, 1, 1)) == 50
    bank2.remove_customer(Alina)
    assert bank2.customers == []
    Roman.bank_account.transfer(10, Artjom.bank_account)
    assert Artjom.bank_account.balance == 10