Exception Handling (try, except, raise, finally, custom exceptions) - Python Tutorial #16
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Taught by Celeste AI - AI Coding Coach
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Learn Python exception handling in this beginner-friendly tutorial! ⚠️
In this lesson, you will learn:
✅ Basic try/except blocks to catch errors
✅ Catching specific exceptions (ValueError, ZeroDivisionError)
✅ Multiple except clauses for different error types
✅ Catch-all with Exception as e
✅ else clause (runs when no error)
✅ finally clause (always runs)
✅ Raising exceptions with raise
✅ Nested try/except blocks
✅ Custom exception classes
✅ Mini Project: Input Validator
🕐 Timestamps:
0:00 - Introduction
0:22 - Error Basics Explained
0:46 - Error Basics Demo
2:52 - Error Handling Explained
3:16 - Error Handling Demo
5:59 - Input Validator Explained
6:23 - Input Validator Demo
9:45 - Recap
10:01 - End
💻 Source Code: https://github.com/GoCelesteAI/python_exception_handling
🔗 Previous: Lesson 15 - File Handling
🔗 Next: Lesson 17 - Modules & Imports
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Duration
10:32
Published
February 8, 2026
Added to Codegiz
March 15, 2026