Summary  
This chapter introduces dictionaries as an associative data structure for storing and retrieving values via unique keys, covering creation, access, modification, iteration, and common operations like lookup, insertion, and deletion.  

General domain of usage  
Managing and querying structured data (e.g., mapping user IDs to profile information)

A concise course introducing foundational Python programming concepts, focusing on core syntax, data structures, and basic operations. Ideal for beginners seeking a solid starting point in Python.

Learn the basics of Python syntax, variables, and simple expressions.

Dive into Python's built-in data structures for storing and manipulating data.

Dictionaries: Key-Value Pairs

Dictionaries: Key-Value Pairs