Counting With Python's Counter

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Christopher Trudeau

36:45

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517 01 intro.mp4

01:01

517 02 counting.mp4

03:56

517 03 counter.mp4

08:16

517 04 prac1.mp4

06:08

517 05 pract2.mp4

07:57

517 06 msets.mp4

08:07

517 07 sum.mp4

01:20

counter code NLeXame.zip

counter slides.pdf

Description

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:

What You'll Learn?

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

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Python

Christopher Trudeau

Instructor's Courses

Christopher has a passion for the Python language and writes for Real Python. He is a consultant who helps advise organizations on how to improve their technical teams. Christopher is a strong advocate for automation throughout the delivery process and the power of small teams with well defined goals.

You can find Christopher here: