Previously, Python offered the type collections.OrderedDict as a way to construct dictionaries that preserved insertion order. collections.OrderedDict is still available in the standard library ...

Basic commands First, I’ll walk you through the statements you’ll need to create and access dictionaries. You’ll also learn how to add to a dictionary. Python makes all of this very easy!

Now available in an official beta release, Python 3.8 brings a number of slick syntax changes, memory sharing, more efficient serialization and deserialization, revamped dictionaries, and much more.