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Modern Python Standard Library Cookbook
book

Modern Python Standard Library Cookbook

by Alessandro Molina
August 2018
Intermediate to advanced
366 pages
10h 14m
English
Packt Publishing
Content preview from Modern Python Standard Library Cookbook

How to do it...

Here are the steps for this recipe:

  1. Suppose we want to track the frequency of words in text; the standard library comes to our rescue and provides us with a very good way to track counts and frequencies, which is through the dedicated collections.Counter object.
  2. The collections.Counter object not only keeps track of frequencies, but provides some dedicated methods to retrieve the most common entries, entries that appear at last once and quickly count any iterable.
  3. Any iterable you provide to the Counter is "counted" for its frequency of values:
>>> txt = "This is a vast world you can't traverse world in a day"
>>>
>>> from collections import Counter
>>> counts = Counter(txt.split())
  1. The result would be exactly what we expect, ...
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Publisher Resources

ISBN: 9781788830829Supplemental Content