Factorial Explained in Python | Iterative, Recursion & Generator | Interview-Focused
Code for this video:
https://github.com/shadabsk/interview...
In this video, we break down the Factorial operation using three powerful approaches in Python:
• A clean iterative implementation
• A concise recursive solution
• An efficient generator-based variant
You’ll learn when and why to use each approach, and the key considerations interviewers look for when discussing recursion and memory optimization.
Topics covered:
• How factorial logic works
• Clean iterative implementation
• Recursion explained simply
• Generator-based factorial
• Interview-oriented explanation
Chapters:
00:00 - Concept Overview
00:49 - Basic Implementation
02:12 - Efficient Iterative Implementation with Edge Cases Handling
04:48 - Factorial Implementation Using Recursion
05:48 - Understanding Factorial Recursion Through a Detailed Dry Run
07:48 - Factorial Implementation Using Generators: Concept Overview
08:40 - Factorial Implementation Using Generators: Implementation
10:00 - Understanding yield and deque in Generator-Based Factorial
This video is part of my Interview Prep Series, designed to help both beginners and experienced professionals strengthen their foundations and crack technical interviews with confidence.
My goal is simple:
If even one part of my experience helps you in your preparation, this entire series will be worth it.
Resources:
GitHub Repository (Complete Series Code and Solutions):
https://github.com/shadabsk/interview...
Connect with me:
GitHub: https://github.com/shadabsk
LinkedIn: / shadabsk
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