i cant seem to figure out the error
MRAB
python at mrabarnett.plus.com
Sun Apr 3 13:36:43 EDT 2016
On 2016-04-03 16:06, anthony uwaifo wrote:
> hi everyone,
>
> please i need help with this assignment. I have written a code and i still
> get an error. please help me debug my code.
>
> instructions:
>
> - 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
>
>
> My code:
>
> class BankAccount(object):
> def __init__(self, balance):
> self.balance = balance
>
>
> def deposit(self, amount):
> self.amount=amount
> self.balance += amount
> return self.balance
>
>
> def withdraw(self, amount):
> self.amount=amount
> if(amount > self.balance):
> return ("Amount greater than available balance.")
> else:
> self.balance -= amount
> return self.balance
>
>
>
> class MinimumBalanceAccount(BankAccount):
> def __init__(self, minimum_balance):
> BankAccount.__init__(self)
> self.minimum_balance = minimum_balance
>
> act = BankAccount(5)
> act.deposit(400)
> act.withdraw(200)
> print act.balance
>
>
> error message:
>
> THERE IS AN ERROR/BUG IN YOUR CODE*Results: *
> {"finished": true, "success": [{"fullName": "test_balance",
> "passedSpecNumber": 1}, {"fullName": "test_deposit",
> "passedSpecNumber": 2}, {"fullName": "test_sub_class",
> "passedSpecNumber": 3}, {"fullName": "test_withdraw",
> "passedSpecNumber": 4}], "passed": false, "started": true, "failures":
> [{"failedSpecNumber": 1, "fullName": "test_invalid_operation",
> "failedExpectations": [{"message": "Failure in line 23, in
> test_invalid_operation\n
> self.assertEqual(self.my_account.withdraw(1000), \"invalid
> transaction\", msg='Invalid transaction')\nAssertionError: Invalid
> transaction\n"}]}], "specs": {"count": 5, "pendingCount": 0, "time":
> "0.000079"}}
> 205
>
What do the instructions say that `withdraw` should return if the amount
is greater than the balance?
What would your code return in such a case?
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