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Module 057: Custom Exceptions

Phase: 6. Advanced OOP & Errors
Duration: 1 hour

Learning Objectives

Create custom exception classes by inheriting from Exception
Add attributes and methods to custom exceptions
Build exception hierarchies
Catch custom exceptions selectively
Decide when to create custom exceptions

Topics Covered

Inheriting from Exception and its subclasses
Adding attributes (error codes, messages)
Exception hierarchies for libraries
Raising and catching custom exceptions
When custom exceptions improve code clarity

Prerequisites

Module 056: Error Handling

Next Module

Module 058: Reading and Writing Text Files