Udemy - Python 3: Deep Dive (Part 3 - Hash Maps)

Dictionaries, Sets, and Related Data Structures







This course is an in-depth look at Python dictionaries.







Dictionaries are ubiquitous in Python. Classes are essentially dictionaries, modules are dictionaries, namespaces are dictionaries, sets are dictionaries and many more.







In this course we'll take an in-depth look at:







associative arrays and how they can be implemented using hash maps







hash functions and how we can leverage them for our own custom classes







Python dictionaries and sets and the various operations we can perform with them







specialized dictionary structures such as OrderedDict and how it relates to the built-in Python3.6+ dict







Python's implementation of multi-sets, the Counter class







the ChainMap class







how to create custom dictionaries by inheriting from the UserDict class







how to serialize and deserialize dictionaries to JSON







the use of schemas in custom JSON deserialization







a brief introduction to some useful libraries such as JSONSchema, Marshmallow, PyYaml and Serp







***** Prerequisites *****







Please note that this is a relatively advanced Python course, and a strong knowledge of some topics in Python is required.







Beyond the basics of Python (loops, conditional statements, exception handling, built-in data types, creating classes, etc), you should also have an in-depth understanding of the following topics:







functions and functional programming (recursion, *args, **kwargs, zip, map, sorted, any, all, etc)







lambdas, closures and decorators (including standard decorators such as @singledispatch, @wraps, etc)







iterables, iterators, generators and context managers







named tuples







variable scopes and namespaces (globals, locals, etc)







For this course you will also need to install some 3rd party libraries, so you need to be comfortable with doing this using the tool of your choice (e.g. pip, conda, etc)







Finally, most of the code in this course is illustrated using the freely available Jupyter Notebooks, so you will need that as well.







Who this course is for:







Python developers who want a deeper understanding of Python dictionaries and related topics







What you'll learn







Associative Arrays







Hash Tables and Hash Functions







Python's implementation of hash tables







Dictionaries and Sets







Defining hash functions for our custom classes and why that is useful







Creating customized dictionaries using the UserDict class







defaultdict







OrderedDict and Python3.6+ equivalences







Counter (multi-sets)







ChainMap







Serialization and Deserialization







JSON serialization/deserialization







Intro to JSONSchema, Marshmallow, PyYaml and Serpy 3rd party libraries







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