Rust Programming Master Class from Beginner to Expert - Hash Maps

This tutorial covers the concept of hash maps, their analogy to dictionaries, and their implementation in Rust. It explains how to create, add, access, and update values in a hash map. The tutorial also demonstrates checking for key existence and iterating over hash map entries. An example of using hash maps for frequency counting is provided, illustrating practical applications. The tutorial concludes with a discussion on the use of hash maps in advanced topics.

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