You want to create a custom exception ValidationError that stores an error code along with the message. Which code correctly implements this?

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Python - Custom Exceptions

You want to create a custom exception ValidationError that stores an error code along with the message. Which code correctly implements this?

Aclass ValidationError(Exception): def __init__(self, message, code): super().__init__(message) self.code = code

Bclass ValidationError(Exception): def __init__(self, message, code): self.message = message self.code = code

Cclass ValidationError(Exception): def __init__(self, code): super().__init__(code) self.message = ''

Dclass ValidationError(Exception): def __init__(self, message): super().__init__(message) self.code = None

Step-by-Step Solution

Solution:

Step 1: Understand storing extra info in custom exceptions
We want to keep both message and code, so __init__ must accept both.
Step 2: Properly call super().__init__ with message and store code
class ValidationError(Exception): def __init__(self, message, code): super().__init__(message) self.code = code calls super().__init__(message) to set message and saves code as attribute.
Final Answer:
class ValidationError(Exception): def __init__(self, message, code): super().__init__(message) self.code = code -> Option A
Quick Check:
Call super with message, store extra attributes separately [OK]

Quick Trick: Call super with message, save extra data as attributes [OK]

Common Mistakes:

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