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01. Data Structures and Algorithms

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01. Unpacking a Sequence into Separate Variables.ipynb
01. Unpacking a Sequence into Separate Variables.ipynb
 
 
02. Unpacking Elements from Iterables of Arbitrary Length.ipynb
02. Unpacking Elements from Iterables of Arbitrary Length.ipynb
 
 
03. Keeping the Last N Items.ipynb
03. Keeping the Last N Items.ipynb
 
 
04. Finding the Largest or Smallest N Items.ipynb
04. Finding the Largest or Smallest N Items.ipynb
 
 
05. Implementing a Priority Queue.ipynb
05. Implementing a Priority Queue.ipynb
 
 
06. Mapping Keys to Multiple Values in a Dictionary.ipynb
06. Mapping Keys to Multiple Values in a Dictionary.ipynb
 
 
07. Keeping Dictionaries in Order.ipynb
07. Keeping Dictionaries in Order.ipynb
 
 
08. Calculating with Dictionaries.ipynb
08. Calculating with Dictionaries.ipynb
 
 
09. Finding Commonalities in Two Dictionaries.ipynb
09. Finding Commonalities in Two Dictionaries.ipynb
 
 
10. Removing Duplicates from a Sequence while Maintaining Order.ipynb
10. Removing Duplicates from a Sequence while Maintaining Order.ipynb
 
 
11. Naming a Slice.ipynb
11. Naming a Slice.ipynb
 
 
12. Determining the Most Frequently Occurring Items in a Sequence.ipynb
12. Determining the Most Frequently Occurring Items in a Sequence.ipynb
 
 
13. Sorting a List of Dictionaries by a Common Key.ipynb
13. Sorting a List of Dictionaries by a Common Key.ipynb
 
 
14. Sorting Objects Without Native Comparison Support.ipynb
14. Sorting Objects Without Native Comparison Support.ipynb
 
 
15. Grouping Records Together Based on a Field.ipynb
15. Grouping Records Together Based on a Field.ipynb
 
 
16. Filtering Sequence Elements.ipynb
16. Filtering Sequence Elements.ipynb
 
 
17. Extracting a Subset of a Dictionary.ipynb
17. Extracting a Subset of a Dictionary.ipynb
 
 
18. Mapping Names to Sequence Elements.ipynb
18. Mapping Names to Sequence Elements.ipynb
 
 
19. Transforming and Reducing Data at the Same Time.ipynb
19. Transforming and Reducing Data at the Same Time.ipynb
 
 
20. Combining Multiple Mappings into a Single Mapping.ipynb
20. Combining Multiple Mappings into a Single Mapping.ipynb
 
 
README.md
README.md
 
 

README.md

CHAPTER 1. Data Structures and Algorithms.

Python provides a variety of useful built-in data structures, such as lists, sets, and dictionaries. For the most part, the use of these structures is straightforward. However, common questions concerning searching, sorting, ordering, and filtering often arise. Thus, the goal of this chapter is to discuss common data structures and algorithms involving data. In addition, treatment is given to the various data structures contained in the collections module.