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Showing content from https://realpython.com/courses/counting-python-counter/ below:

Counting With Python's Counter – Real Python

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

What’s Included:

• 7 Lessons
• Video Subtitles and Full Transcripts
• 2 Downloadable Resources
• Accompanying Text-Based Tutorial
• Q&A With Python Experts: Ask a Question
• Certificate of Completion

Downloadable Resources:

• Course Slides (.pdf)
• Sample Code (.zip)

Related Learning Paths:

• Classic Data Structures and Algorithms

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