Counting several repeated objects at once is a common problem in programming. Python offers a bunch of tools and techniques you can use to approach this problem. However, Python’s Counter from collections provides a clean, efficient, and Pythonic solution.
This dictionary subclass provides efficient counting capabilities out of the box. Understanding Counter and how to use it efficiently is a convenient skill to have as a Python developer.
In this video course, you’ll learn how to:
Count several repeated objects at once
Create counters with Python’s Counter
Retrieve the most common objects in a counter
Update object counts
Use Counter to facilitate further computations
Implement Counter instances as multisets
[ Improve Your Python With 🐍 Python Tricks 💌 – Get a short & sweet Python Trick delivered to your inbox every couple of days. >> Click here to learn more and see examples ]