Create a class called 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
Please i need help on this i am a beginer into python programming.
Also below is a test case given for this project
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')
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