Raise User Defined Exceptions in Python (Custom Exceptions) - Python Tutorial for Beginners
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🖥️ Create and Raise Custom Exceptions in Python (User Defined Exceptions)
In Python, users can define CUSTOM Exceptions, by creating a new Class. This Exception class has to be derived, either directly or indirectly, from the built-in Exception class. Most of the built-in exceptions in Python are also derived from this class.
Here, you have created a user-defined exception called CustomError, which inherits from the Exception class. This new exception, like any other exceptions, can be raised using the RAISE statement - and with an optional error message.
○ Create Custom Exception in Python
class CustomError(Exception):
pass
○ Raise Custom Exception in Python
raise CustomError
raise CustomError("A custom error occurred")
Traceback (most recent call last):
File "stdin", line 4, in module
CustomError: A custom error occurred
... And that's it, you can now define your own exceptions and handle them individually, in a very different way ...
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