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Exception Handling in Python: A Beginner’s Guide

Sohit Mishra
3 min readJun 15, 2024

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Exception handling is a crucial aspect of programming that allows you to manage and respond to errors in a controlled manner. Python provides a robust mechanism for handling exceptions, enabling you to write more resilient and maintainable code. This guide will introduce you to the basics of exception handling in Python, including how to raise, catch, and handle exceptions.

What Are Exceptions?

  • Exception: An error that occurs during the execution of a program, disrupting its normal flow.
  • Exception Handling: The process of responding to exceptions in a way that prevents the program from crashing and allows it to continue or terminate gracefully.

Common Python Exceptions

Some common built-in exceptions in Python include:

  • ValueError: Raised when a function receives an argument of the correct type but an inappropriate value.
  • TypeError: Raised when an operation or function is applied to an object of inappropriate type.
  • IndexError: Raised when a sequence subscript is out of range.
  • KeyError: Raised when a dictionary key is not found.
  • FileNotFoundError: Raised when a file or directory is requested but doesn’t…

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Sohit Mishra
Sohit Mishra

Written by Sohit Mishra

Hi, I'm Sohit Mishra, a full-stack developer obsessed with creating seamless digital experiences through front-end and back-end technologies.

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