Python - Custom Exceptions
Which of these is a correct way to raise a custom exception named
MyError?Which of these is a correct way to raise a custom exception named MyError?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Python syntax for raising exceptions
In Python, exceptions are raised using theraisekeyword followed by the exception instance.Step 2: Identify the correct syntax for custom exceptions
raise MyError('An error occurred') correctly usesraise MyError('message'). Options A and B usethrow, which is not Python syntax. raise Exception('MyError') raises a generic Exception, not the custom one.Final Answer:
raise MyError('An error occurred') -> Option AQuick Check:
Raise custom exception = raise MyError(...) [OK]
Quick Trick: Use 'raise' keyword to throw exceptions in Python [OK]
Common Mistakes:
- Using 'throw' instead of 'raise'
- Raising generic Exception instead of custom
- Missing parentheses when raising
Master "Custom Exceptions" in Python
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