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Which of the following is the correct way to define a custom exception named MyError that extends ValueError?

easy📝 Syntax Q12 of Q15
Python - Custom Exceptions
Which of the following is the correct way to define a custom exception named MyError that extends ValueError?
Adef MyError(ValueError): pass
Bclass MyError(ValueError): pass
Cclass MyError: ValueError
Dexception MyError(ValueError): pass
Step-by-Step Solution
Solution:
  1. Step 1: Recognize class syntax for exceptions

    Custom exceptions are classes that inherit from built-in exceptions.
  2. Step 2: Check correct Python class definition

    Use class MyError(ValueError): pass to extend ValueError properly.
  3. Final Answer:

    class MyError(ValueError): pass -> Option B
  4. Quick Check:

    Use class + inheritance syntax for exceptions [OK]
Quick Trick: Use class keyword and inherit from built-in exception [OK]
Common Mistakes:
MISTAKES
  • Using def instead of class
  • Wrong inheritance syntax
  • Using 'exception' keyword which doesn't exist

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