Python 3 9 what s new in the latest version of python

python 3.9 introduced several new features and improvements. here are some of the key changes in python 3.9:

1. dictionary unions and updates:
python 3.9 introduced the union (|) and update (|=) operators for dictionaries. this allows for more concise and readable code when combining or updating dictionaries.

2. type hinting for generics in standard collections:
python 3.9 introduced built-in generic types for the `collections` module, allowing for better type hinting and type checking in standard collections like `deque`, `defaultdict`, and `chainmap`.

3. new string methods:
python 3.9 added new string methods like `removeprefix()` and `removesuffix()`, which make it easier to remove prefixes or suffixes from strings.

4. new parser for `ast` module:
python 3.9 introduced a new parser for the `ast` module called `parser`, which allows for more accurate parsing of python source code.

these are just a few of the new features in python 3.9. it's always recommended to check the official python documentation for a comprehensive list of changes and updates in each version.

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