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1. Introduction
Counting with dictionaries
Grouping with dictionaries
Linking with dictionaries


Hello and welcome to Part 3 of Python Data Structures in Practice! We already know how to handle lists and tuples properly, so let's tackle dictionaries in this part of the course.

Dictionaries are essential data structures in any large Python application. No matter what kind of code you're going to write, dictionaries are very likely to come in handy.

We'll discuss three typical use cases for Python dictionaries:

  • counting elements
  • grouping elements
  • linking dictionaries

Are you ready to learn about dictionaries in Python?


Click Next exercise to continue.