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How To Implement User Defined Exception in Python


In this lecture we will see,

How to implement user defined exception in Python ?


User defined Exception


Python also allows you to create your own exceptions by deriving classes from the standard built-in exceptions.


class MyNewError(Exception):


raise MyNewError("Something happened in my program")


Example :

class MyException(Exception):



if c=5:

raise MyException ("Something went wrong")

O/P :

MyException: Something went wrong


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