Python Lecture 9 | Dictionaries in Python | Key-Value Pairs, Methods & Practical Coding

Published: 16 August 2026
on channel: python programmer

🐍 Welcome to Lecture 9 of our Complete Python Programming Course!

In this lecture, we’ll learn Dictionaries in Python, one of the most useful data structures for storing and organizing information using key-value pairs.

📚 Topics Covered:

🔹 What is a Dictionary?
🔹 Key-Value Pairs
🔹 Creating Dictionaries
🔹 Accessing & Retrieving Values
🔹 Using .get() for Safe Access
🔹 Adding New Items
🔹 Updating Existing Values
🔹 Removing Items with pop(), del & clear()
🔹 keys(), values() & items()
🔹 Traversing Dictionaries with Loops
🔹 Dictionary Rules & Common Mistakes
🔹 Practical Coding in VS Code

💻 VS Code Practical:

We create a Student Record System, add an email address, update marks, and use items() to display the complete student details.

🎯 By the end of this lecture, you’ll be able to use dictionaries to store structured data, modify records, safely access values, and loop through key-value pairs.

🔥 Perfect for Python Beginners | Practical Examples | Hands-on Coding

Keep Learning. Keep Coding. 🐍💻

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