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Title: Counting With Python's Counter (Summary) (Video) – Real Python

Open Graph Title: Counting With Python's Counter (Summary) – Real Python

Description: In the previous lesson, I showed you how to use the Counter class as a multiset. In this lesson, I’ll summarize the course. In this course, I showed you all about counting problems and how to use Python’s Counter class to help you solve those kinds…

Open Graph Description: In the previous lesson, I showed you how to use the Counter class as a multiset. In this lesson, I’ll summarize the course. In this course, I showed you all about counting problems and how to use Python’s Counter class to help you solve those kinds…

Opengraph URL: https://realpython.com/lessons/counting-python-counter-summary/

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Reverse Strings in Python: reversed(), Slicing, and Morehttps://realpython.com/reverse-string-python/
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00:00https://realpython.com/lessons/counting-python-counter-summary/#t=0.57
In the previous lesson, I showed you how to use the Counter class as a multiset. Inhttps://realpython.com/lessons/counting-python-counter-summary/#t=0.57
this lesson, I’ll summarize the course. In this course,https://realpython.com/lessons/counting-python-counter-summary/#t=4.59
I showed you all about counting problems and how to use Python’s Counter classhttps://realpython.com/lessons/counting-python-counter-summary/#t=9.16
to help you solve those kinds of problems.https://realpython.com/lessons/counting-python-counter-summary/#t=13.39
00:16https://realpython.com/lessons/counting-python-counter-summary/#t=16.87
Remember that you can initialize the counter with sequences, dictionaries,https://realpython.com/lessons/counting-python-counter-summary/#t=16.87
and arguments, as well as other Counter classes.https://realpython.com/lessons/counting-python-counter-summary/#t=20.8
Once you’ve initialized the counter,https://realpython.com/lessons/counting-python-counter-summary/#t=24.79
you can get the most frequent items in the class by calling the .most_common()https://realpython.com/lessons/counting-python-counter-summary/#t=26.26
method. You can also get the contents using .keys(),https://realpython.com/lessons/counting-python-counter-summary/#t=30.01
.values(), .items(), and .elements().https://realpython.com/lessons/counting-python-counter-summary/#t=35.5
00:41https://realpython.com/lessons/counting-python-counter-summary/#t=41.05
In this course,https://realpython.com/lessons/counting-python-counter-summary/#t=41.05
I covered several different practical applications of the Counter class,https://realpython.com/lessons/counting-python-counter-summary/#t=41.77
including counting letter frequency, building histograms,https://realpython.com/lessons/counting-python-counter-summary/#t=45.64
determining the statistical mode,https://realpython.com/lessons/counting-python-counter-summary/#t=50.26
counting file types, and building shopping carts.https://realpython.com/lessons/counting-python-counter-summary/#t=52.99
00:57https://realpython.com/lessons/counting-python-counter-summary/#t=57.85
And finally,https://realpython.com/lessons/counting-python-counter-summary/#t=57.85
I went a little math geek and described multisets and their operations and howhttps://realpython.com/lessons/counting-python-counter-summary/#t=58.6
you can use a counter to implement them.https://realpython.com/lessons/counting-python-counter-summary/#t=62.95
01:07https://realpython.com/lessons/counting-python-counter-summary/#t=67.35
That’s all I have on counters. Thanks for your attention.https://realpython.com/lessons/counting-python-counter-summary/#t=67.35
I hope you enjoyed the course. Pause for one Mississippi, two Mississippi,https://realpython.com/lessons/counting-python-counter-summary/#t=70.59
three Mississippi, and fade to black.https://realpython.com/lessons/counting-python-counter-summary/#t=75.72
March 10, 2022https://realpython.com/lessons/counting-python-counter-summary/#comment-339cadee-be74-4d05-a2fa-eb20fb96f495
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Overviewhttps://realpython.com/courses/counting-python-counter/
Counting With Python's Counter (Overview) 01:01 https://realpython.com/videos/counting-python-counter-overview/
Counting Without Counter 03:57 https://realpython.com/lessons/counting-without-counter/
Using Python's Counter Class 08:17 https://realpython.com/lessons/python-counter-class/
Exploring Practical Applications: Part 1 06:09 https://realpython.com/lessons/counter-applications-1/
Exploring Practical Applications: Part 2 07:58 https://realpython.com/lessons/counter-applications-2/
Using Counter Instances As Multisets 08:08 https://realpython.com/lessons/counter-multiset/
Counting With Python's Counter (Summary) 01:20 https://realpython.com/lessons/counting-python-counter-summary/
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