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class BankAccount:
def __init__(self, deposit, withdraw, balance):
self.balance = balance
self.deposit = deposit
self.withdraw = withdraw
def balance(self):
self.balance = balance
def withdraw(self, amount):
self.balance -= amount
print 'self.balance'
def deposit(self, amount):
self.balance += amount
print 'self.balance'
a = BankAccount(90,40,1000)
b = BankAccount(90,40,1000)
a.deposit = 90
b.deposit = 90
b.withdraw = 40
a.withdraw = 1000
class MinimumBalanceAccount(BankAccount):
def __init__(self, minimum_balance=50):
BankAccount.__init__(self)
self.minimum_balance = minimum_balance
def minimum_balance(self):
self.minimum_balance = minimum_balance
def withdraw(self, amount):
if self.balance - amount < self.minimum_balance:
print 'Sorry, minimum balance must be maintained.'
bir sınıf oluşturun:
THERE IS AN ERROR/BUG IN YOUR CODE
Results:
Internal Error: runTests aborted: TestOutcomeEvent(handled=False, test=, result=, outcome='error', exc_info=(, TypeError('__init__() takes exactly 4 arguments (2 given)',),), reason=None, expected=False, shortLabel=None, longLabel=None) is not JSON serializable
bu soru BankAccount
Create a constructor that takes in an integer and assigns this to a `balance` property.
Create a method called `deposit` that takes in cash deposit amount and updates the balance accordingly.
Create a method called `withdraw` that takes in cash withdrawal amount and updates the balance accordingly. if amount is greater than balance return `"invalid transaction"`
Create a subclass MinimumBalanceAccount of the BankAccount class
denilen bu test kodu:
import unittest
class AccountBalanceTestCases(unittest.TestCase):
def setUp(self):
self.my_account = BankAccount(90)
def test_balance(self):
self.assertEqual(self.my_account.balance, 90, msg='Account Balance Invalid')
def test_deposit(self):
self.my_account.deposit(90)
self.assertEqual(self.my_account.balance, 180, msg='Deposit method inaccurate')
def test_withdraw(self):
self.my_account.withdraw(40)
self.assertEqual(self.my_account.balance, 50, msg='Withdraw method inaccurate')
def test_invalid_operation(self):
self.assertEqual(self.my_account.withdraw(1000), "invalid transaction", msg='Invalid transaction')
def test_sub_class(self):
self.assertTrue(issubclass(MinimumBalanceAccount, BankAccount), msg='No true subclass of BankAccount')
Bunun nedenini bilmiyorum.