Dict Operations in Python | Sorting with Lambda, itemgetter, and Frequency Logic | Interview-Focused

Published: 07 December 2025
on channel: shadabsk

Codes for this video:
https://github.com/shadabsk/interview...

In this video, we explore powerful dict-based operations and sorting techniques that comes handy in cracking many DSA rounds and coding interviews.
You will learn how to sort dictionaries, list of dictionaries, numeric lists based on frequency, and even strings based on their character frequency.

Topics covered:
• Sorting a dict using lambda and itemgetter
• Sorting a list of dicts based on any key using lambda and itemgetter
• Sorting a numeric list based on element frequency
• Sorting a string based on character frequency
• Clean and practical interview-oriented patterns

Chapters:
00:00 - Quick Intro
00:18 - Dictionary Sorting
03:16 - List of Dictionary Sorting
06:15 - Sorting a Numeric List Based on Frequency
09:56 - Sorting a String Based on the Character Frequency

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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