Welcome to Lecture 8 of our Python Programming Series! In this video, we move beyond basic variables and dive into critical, real-world programming concepts that will make your code robust, permanent, and smart.

Here is what we cover in today’s tutorial:

File Handling: Learn how to read and write text files permanently so your data doesn’t disappear when you close your program.

Exception Handling: Discover how to gracefully manage errors using try, except, else, and finally blocks, ensuring your application never crashes unexpectedly.

Regular Expressions (RegEx): Get a solid introduction to pattern matching for advanced text searching and web scraping tasks.

0: 00 – Introduction & Overview (Files, Exceptions, & RegEx)
0: 56 – Basics of File Handling in Python (The 3 Simple Steps)
1: 28 – Writing to a File (Implementing ‘with open’ in Write Mode)
3: 00 – Reading a File (Extracting Text in Read Mode)
4: 12 – Reading a File Line-by-Line (Using For Loops & .strip())
5: 43 – What are Exceptions? (Why Try-Except Blocks Matter)
6: 30 – Implementing Exception Handling (ZeroDivisionError, ValueError, Else & Finally)
10: 18 – Testing & Running the Exception Handling Code
12: 05 – Introduction to Regular Expressions (RegEx & ‘re’ Module)
13: 46 – Using re.findall() to Count Vowels
14: 54 – Advanced RegEx: Extracting Capitalized Words (Word Boundaries)
17: 39 – Wrap-up & End-of-Video Coding Challenge

💻 Don’t forget to take on the end-of-video coding challenge! Once you complete it, drop a comment below with “File operations clear” to show your progress!

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