Creating custom exception in python

in python, you can create custom exceptions by defining a new class that inherits from the built-in `exception` class. by creating custom exceptions, you can provide more specific error messages and handle them appropriately in your code.

here is a step-by-step tutorial on how to create a custom exception in python with a code example:

step 1: define a custom exception class

step 2: raise the custom exception

in this code snippet, we define a function called `divide` that takes two arguments `a` and `b`. if `b` is equal to 0, we raise our custom exception `customexception` with a specific error message indicating that division by zero is not allowed.

step 3: handle the custom exception

in this code block, we call the `divide` function with arguments `10` and `0`. when the custom exception is raised, we catch it using a `try-except` block. if the custom exception is caught, we print the error message. otherwise, we print the result of the division operation.

putting it all together:

when you run this code, you should see the following output:

by creating custom exceptions in python, you can make your code more robust and provide meaningful error messages for different scenarios.

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