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): self.code = 0 super().__init__(message)

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

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

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

Step-by-Step Solution

Solution:

Step 1: Understand how to extend Exception with extra attributes
To add an error code, override __init__ and call super().__init__(message) to set the message properly.
Step 2: Check which option correctly calls super().__init__ and stores code
class ValidationError(Exception): def __init__(self, message, code): super().__init__(message) self.code = code calls super().__init__(message) and assigns self.code = code, correctly storing both.
Final Answer:
class ValidationError(Exception): def __init__(self, message, code): super().__init__(message) self.code = code -> Option D
Quick Check:
Call super().__init__(message) and store extra attributes [OK]

Quick Trick: Call super().__init__(message) to set message, then add code [OK]

Common Mistakes:

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